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643 lines
21 KiB
643 lines
21 KiB
3 years ago
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package com.ynxbd.common.config.db;
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import com.alibaba.druid.filter.Filter;
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import com.alibaba.druid.filter.stat.StatFilter;
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import com.alibaba.druid.pool.DruidDataSource;
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import com.alibaba.druid.wall.WallConfig;
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import com.alibaba.druid.wall.WallFilter;
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import com.ynxbd.common.helper.ProperHelper;
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import com.ynxbd.common.helper.common.ErrorHelper;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.beanutils.BeanUtils;
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import org.apache.commons.beanutils.BeanUtilsBean;
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import org.apache.commons.lang3.ObjectUtils;
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import java.lang.reflect.Field;
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import java.sql.*;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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@Slf4j
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public class DataBase {
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@FunctionalInterface
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public interface IPS {
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void setParams(PreparedStatement ps) throws SQLException;
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}
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static {
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// 解决BigDecimal类型转化报错
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BeanUtilsBean.getInstance().getConvertUtils().register(false, false, 0);
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dataSource = init();
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}
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private static DruidDataSource dataSource;
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protected synchronized static ProperHelper getConfig() {
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return new ProperHelper().read("druid-config.properties");
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}
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private static synchronized DruidDataSource init() {
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if (dataSource != null) {
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return dataSource;
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}
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final DruidDataSource dataSource = new DruidDataSource();
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try {
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ProperHelper config = getConfig();
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dataSource.setDriverClassName(config.getString("master.driverClassName"));
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dataSource.setUrl(config.getString("master.jdbcUrl"));
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dataSource.setUsername(config.getString("master.username"));
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dataSource.setPassword(config.getString("master.password"));
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// 连接池配置
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Integer min = config.getInteger("master.minIdle");
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if (min != null) {
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dataSource.setMinIdle(min);
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}
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Integer max = config.getInteger("master.maxActive");
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if (max != null) {
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dataSource.setMaxActive(max);
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}
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Integer initialSize = config.getInteger("master.initialSize");
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if (initialSize != null) {
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dataSource.setInitialSize(initialSize);
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}
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dataSource.setMaxWait(60 * 1000); // 60s
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// 异步初始化连接
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// dataSource.addDataSourceProperty("serverTimezone", ZoneId.systemDefault());
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dataSource.setAsyncInit(true);
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dataSource.setValidationQuery("SELECT 1");
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// 安全性
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dataSource.setTestWhileIdle(true);
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dataSource.setTestOnBorrow(false);
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dataSource.setTestOnReturn(false);
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// 打开PSCache，并且指定每个连接上PSCache的大小
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dataSource.setPoolPreparedStatements(true);
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dataSource.setMaxPoolPreparedStatementPerConnectionSize(120);
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// 连接泄露检查
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dataSource.setRemoveAbandonedTimeoutMillis(300000);
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// 关闭连接时输出错误日志，这样出现连接泄露时可以通过错误日志定位忘记关闭连接的位置
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dataSource.setLogAbandoned(true);
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dataSource.setMinEvictableIdleTimeMillis(300000);
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// 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒
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dataSource.setTimeBetweenConnectErrorMillis(60000);
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dataSource.setFilters("stat,wall");
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// statFilter----------------------------
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StatFilter statFilter = new StatFilter();
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statFilter.setDbType("mysql");
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statFilter.setLogSlowSql(true);
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statFilter.setSlowSqlMillis(3000);
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WallConfig wallConfig = new WallConfig();
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// 允许执行多条语句
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wallConfig.setMultiStatementAllow(true);
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wallConfig.setNoneBaseStatementAllow(true);
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// 禁止创建表
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wallConfig.setCreateTableAllow(false);
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// 禁止修改表
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wallConfig.setDropTableAllow(false);
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// 禁止执行Alter Table语句
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wallConfig.setAlterTableAllow(false);
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// wallFilter-----------------------------
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WallFilter wallFilter = new WallFilter();
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wallFilter.setDbType("mysql");
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wallFilter.setConfig(wallConfig);
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List<Filter> filters = new ArrayList<>();
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filters.add(statFilter);
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filters.add(wallFilter);
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dataSource.setProxyFilters(filters);
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} catch (SQLException e) {
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e.printStackTrace();
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}
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return dataSource;
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}
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/**
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* 获取连接
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*/
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public static Connection getConnection() {
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Connection conn = null;
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try {
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if (dataSource == null) {
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dataSource = init();
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}
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conn = dataSource.getConnection();
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} catch (SQLException e) {
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log.error("MySQL数据库连接失败！{}, {}", dataSource.getUrl(), e.getMessage());
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if (dataSource != null) {
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dataSource.close();
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dataSource = null;
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}
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}
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return conn;
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}
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/**
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* prepareStatement 赋值查询
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*
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* @param clazz 集合类型
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* @param ips 设置占位符数据
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* @param <T> 泛型
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* @return 集合
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*/
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public static <T> List<T> select(String sql, Class<T> clazz, IPS ips) {
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return select(getConnection(), sql, clazz, ips);
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}
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/**
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* 拼接sql语句查询
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*
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* @param sql SQL语句
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* @param clazz 集合类型
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* @param <T> 泛型
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* @return 泛型集合
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*/
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public static <T> List<T> select(String sql, Class<T> clazz) {
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return select(getConnection(), sql, clazz, null);
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}
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/**
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* 拼接sql语句查询
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*
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* @param sql SQL语句
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* @param clazz 集合类型
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* @param <T> 泛型
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* @return 泛型集合
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*/
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public static <T> T selectOne(String sql, Class<T> clazz, IPS ips) {
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List<T> dataList = select(getConnection(), sql, clazz, ips);
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int size = dataList.size();
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if (size == 1) {
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return dataList.get(0);
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}
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if (size > 1) {
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throw new RuntimeException("select one but fount " + size);
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}
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return null;
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}
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/**
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* [私有]查询方法封装
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*
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* @param conn 连接
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* @param sql sql语句
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* @param clazz 类
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* @param ips ips
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*/
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protected static <T> List<T> select(Connection conn, String sql, Class<T> clazz, IPS ips) {
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List<T> list = new ArrayList<>();
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if (ips == null) {
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Statement stmt = null;
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ResultSet rs = null;
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try {
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stmt = conn.createStatement();
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rs = stmt.executeQuery(sql);
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list = executeSelect(clazz, rs);
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} catch (Exception e) {
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ErrorHelper.println(e);
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} finally {
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close(rs, stmt, conn);
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}
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} else {
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PreparedStatement ps = null;
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ResultSet rs = null;
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try {
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ps = conn.prepareStatement(sql);
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ips.setParams(ps);
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rs = ps.executeQuery();
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list = executeSelect(clazz, rs);
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} catch (Exception e) {
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ErrorHelper.println(e);
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} finally {
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close(rs, ps, conn);
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}
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}
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return list;
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}
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/**
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* 核心-执行查询
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*
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* @param clazz 类型
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* @param rs rs
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* @return 集合
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*/
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private static <T> List<T> executeSelect(Class<T> clazz, ResultSet rs) throws Exception {
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List<T> list = new ArrayList<>();
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Field[] fields = clazz.getDeclaredFields();
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Class<? super T> superclass = clazz.getSuperclass();
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Field[] superFields = {};
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if (superclass != null) {
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superFields = superclass.getDeclaredFields();
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}
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T bean;
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ResultSetMetaData rmd;
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String colName;
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Object value;
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Class<?> valClazz;
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boolean isBreak;
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while (rs.next()) {
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bean = clazz.newInstance();
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rmd = rs.getMetaData();
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for (int i = 1; i <= rmd.getColumnCount(); i++) {
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colName = rmd.getColumnLabel(i).toLowerCase();
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value = rs.getObject(i);
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if (value == null) {
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continue;
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}
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valClazz = value.getClass();
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isBreak = false;
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for (Field f : fields) {
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f.setAccessible(true);
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if (f.getName().toLowerCase().equals(colName)) {
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isBreak = true;
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if (java.time.LocalDateTime.class == valClazz && java.time.LocalDateTime.class != f.getType()) {
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BeanUtils.setProperty(bean, f.getName(), rs.getTimestamp(i));
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} else {
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BeanUtils.setProperty(bean, f.getName(), value);
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}
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break;
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}
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}
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if (isBreak) {
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continue;
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}
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for (Field f : superFields) {
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f.setAccessible(true);
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if (f.getName().toLowerCase().equals(colName)) {
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if (java.time.LocalDateTime.class == valClazz && java.time.LocalDateTime.class != f.getType()) {
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BeanUtils.setProperty(bean, f.getName(), rs.getTimestamp(i));
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} else {
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BeanUtils.setProperty(bean, f.getName(), value);
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}
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break;
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}
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}
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}
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list.add(bean);
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}
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return list;
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}
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/**
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* 查询count
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*
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* @param sql SQL语句
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* @param ips 通过匿名函数设定占位符，可为空
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* @return clazz类型的数据
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*/
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public static int selectCount(String sql, IPS ips) {
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int count = 0;
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Connection conn = getConnection();
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PreparedStatement ps = null;
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ResultSet rs = null;
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try {
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ps = conn.prepareStatement(sql);
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if (ips != null) ips.setParams(ps);
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rs = ps.executeQuery();
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if (rs.next()) {
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count = rs.getInt(1);
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}
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} catch (Exception e) {
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ErrorHelper.println(e);
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} finally {
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close(rs, ps, conn);
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}
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return count;
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}
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/**
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* 查询某列
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*
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* @param sql SQL语句
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* @param clazz 指定查询的数据的类型
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* @param ips 通过匿名函数设定占位符，可为空
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* @return clazz类型的数据
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*/
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public static <T> T selectByColumn(String sql, Class<T> clazz, IPS ips) {
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Connection conn = getConnection();
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PreparedStatement ps = null;
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ResultSet rs = null;
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T value = null;
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try {
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ps = conn.prepareStatement(sql);
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if (ips != null) ips.setParams(ps);
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rs = ps.executeQuery();
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if (rs.next()) {
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value = rs.getObject(1, clazz);
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}
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} catch (Exception e) {
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ErrorHelper.println(e);
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} finally {
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close(rs, ps, conn);
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}
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return value;
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}
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/**
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* 查询单个数据，主要用于count等单个字段的查询
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*
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* @param sql SQL语句
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* @param clazz 指定查询的数据的类型
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* @return clazz类型的数据
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*/
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public static <T> T selectByColumn(String sql, Class<T> clazz) {
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return selectByColumn(sql, clazz, null);
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}
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/**
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* 添加成功后返回自增ID
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*
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* @param sql SQL语句
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* @param ips ips
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* @return 自增ID
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*/
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public static int insertGetId(String sql, IPS ips) {
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Connection conn = null;
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PreparedStatement ps = null;
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ResultSet rs = null;
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int id = 0;
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try {
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conn = getConnection();
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ps = conn.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
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if (ips != null) ips.setParams(ps);
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ps.executeUpdate();
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rs = ps.getGeneratedKeys();
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if (rs.next()) {
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id = rs.getInt(1);
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}
|
||
|
|
ps.clearBatch();
|
||
|
|
} catch (SQLException e) {
|
||
|
|
ErrorHelper.println(e);
|
||
|
|
try {
|
||
|
|
conn.rollback();
|
||
|
|
} catch (SQLException err) {
|
||
|
|
ErrorHelper.println(err);
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
} finally {
|
||
|
|
close(rs, ps, conn);
|
||
|
|
}
|
||
|
|
return id;
|
||
|
|
}
|
||
|
|
|
||
|
|
// public static void main(String[] args) {
|
||
|
|
// List<String> testList = new ArrayList<>();
|
||
|
|
// for (int i = 0; i < 500; i++) {
|
||
|
|
// testList.add(String.valueOf(i));
|
||
|
|
// }
|
||
|
|
// long begTime = System.currentTimeMillis(); // 开始时间
|
||
|
|
// String sql = "insert into a (a, date, time, dateTime,timesTamp) values(?, now(), now(), now(), now())";
|
||
|
|
// DataBase.insertBatch(sql, ps -> {
|
||
|
|
// for (int i = 0; i < testList.size(); i++) {
|
||
|
|
// if (i == 100) {
|
||
|
|
// ps.setString(1, String.valueOf((1 / 0)));
|
||
|
|
// } else {
|
||
|
|
// System.out.println("Add");
|
||
|
|
// ps.setString(1, testList.get(i));
|
||
|
|
// }
|
||
|
|
// ps.addBatch();
|
||
|
|
// }
|
||
|
|
// });
|
||
|
|
//
|
||
|
|
// long endTime = System.currentTimeMillis(); // 结束时间
|
||
|
|
// log.info("耗时：{}", ((endTime - begTime) / 1000) + "s(" + (endTime - begTime) + "ms)");
|
||
|
|
// }
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 插入数据
|
||
|
|
*
|
||
|
|
* @param sql SQL语句
|
||
|
|
* @param ips 设置占位符数据
|
||
|
|
* @return 修改成功行数
|
||
|
|
*/
|
||
|
|
public static int insertBatch(String sql, IPS ips) {
|
||
|
|
int rows = 0;
|
||
|
|
try (Connection conn = getConnection(); PreparedStatement ps = conn.prepareStatement(sql)) {
|
||
|
|
conn.setAutoCommit(false);
|
||
|
|
if (ips != null) ips.setParams(ps);
|
||
|
|
rows = ps.executeBatch().length;
|
||
|
|
ps.clearBatch();
|
||
|
|
conn.commit();
|
||
|
|
} catch (Exception e) {
|
||
|
|
ErrorHelper.println(e);
|
||
|
|
}
|
||
|
|
return rows;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 插入数据
|
||
|
|
*
|
||
|
|
* @param sql SQL语句
|
||
|
|
* @param ips 设置占位符数据
|
||
|
|
* @return 修改成功行数
|
||
|
|
*/
|
||
|
|
public static int insert(String sql, IPS ips) {
|
||
|
|
return update(sql, ips);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 插入数据
|
||
|
|
*
|
||
|
|
* @param sql SQL语句
|
||
|
|
* @param ips 设置占位符数据
|
||
|
|
* @return 修改成功行数
|
||
|
|
*/
|
||
|
|
public static int delete(String sql, IPS ips) {
|
||
|
|
return update(sql, ips);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 增、删、改
|
||
|
|
*
|
||
|
|
* @param sql SQL语句
|
||
|
|
* @param ips 设置占位符数据
|
||
|
|
* @return 修改成功行数
|
||
|
|
*/
|
||
|
|
public static int update(String sql, IPS ips) {
|
||
|
|
int rows = 0;
|
||
|
|
try (Connection conn = getConnection(); PreparedStatement ps = conn.prepareStatement(sql)) {
|
||
|
|
if (ips != null) ips.setParams(ps);
|
||
|
|
rows = ps.executeUpdate();
|
||
|
|
} catch (Exception e) {
|
||
|
|
ErrorHelper.println(e);
|
||
|
|
}
|
||
|
|
return rows;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 关闭数据库
|
||
|
|
*
|
||
|
|
* @param conn 数据库连接
|
||
|
|
*/
|
||
|
|
public static void close(Connection conn) {
|
||
|
|
close(null, null, conn);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void close(Statement stat, Connection conn) {
|
||
|
|
close(null, stat, conn);
|
||
|
|
}
|
||
|
|
|
||
|
|
public static void close(ResultSet rs, Connection conn) {
|
||
|
|
close(rs, null, conn);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 关闭连接-先开后关
|
||
|
|
*
|
||
|
|
* @param rs rs
|
||
|
|
* @param stat ps
|
||
|
|
* @param conn conn
|
||
|
|
*/
|
||
|
|
public static void close(ResultSet rs, Statement stat, Connection conn) {
|
||
|
|
if (rs != null) {
|
||
|
|
try {
|
||
|
|
rs.close();
|
||
|
|
} catch (SQLException e) {
|
||
|
|
ErrorHelper.println(e);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (stat != null) {
|
||
|
|
try {
|
||
|
|
stat.close();
|
||
|
|
} catch (SQLException e) {
|
||
|
|
ErrorHelper.println(e);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (conn != null) {
|
||
|
|
try {
|
||
|
|
conn.close();
|
||
|
|
} catch (SQLException e) {
|
||
|
|
ErrorHelper.println(e);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
public static int updateBatch(String tableName, Map<String, List<Map<String, Object>>> setCaseList, List<String> ids) {
|
||
|
|
return updateBatch(tableName, null, setCaseList, null, ids);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 批量修改
|
||
|
|
*
|
||
|
|
* @param tableName 表名
|
||
|
|
* @param setMap 统一修改的值
|
||
|
|
* @param setByCaseList 分批修改的值
|
||
|
|
* @param whereMap 条件
|
||
|
|
* @param ids 条件集
|
||
|
|
*/
|
||
|
|
public static int updateBatch(String tableName, Map<String, Object> setMap, Map<String, List<Map<String, Object>>> setByCaseList, Map<String, Object> whereMap, List<String> ids) {
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
if (tableName == null || "".equals(tableName)) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (setByCaseList == null || setByCaseList.size() == 0 || ids == null || ids.size() == 0) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
sb.append("update ").append(tableName).append(" set ");
|
||
|
|
int mapIndex = 0;
|
||
|
|
Object value;
|
||
|
|
if (setMap != null) {
|
||
|
|
for (Map.Entry<String, Object> entry : setMap.entrySet()) {
|
||
|
|
value = entry.getValue();
|
||
|
|
if (value != null && !"now()".equals(value)) {
|
||
|
|
value = "'" + value + "'";
|
||
|
|
}
|
||
|
|
sb.append(entry.getKey()).append("=").append(value);
|
||
|
|
if ((mapIndex + 1) != setMap.entrySet().size()) {
|
||
|
|
sb.append(",");
|
||
|
|
}
|
||
|
|
mapIndex++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (setMap != null && setMap.entrySet().size() != 0) {
|
||
|
|
sb.append(",");
|
||
|
|
}
|
||
|
|
|
||
|
|
mapIndex = 0;
|
||
|
|
String key;
|
||
|
|
List<Map<String, Object>> valMapList;
|
||
|
|
Map<String, Object> valMap;
|
||
|
|
for (Map.Entry<String, List<Map<String, Object>>> entry : setByCaseList.entrySet()) {
|
||
|
|
key = entry.getKey();
|
||
|
|
valMapList = entry.getValue();
|
||
|
|
|
||
|
|
if (ObjectUtils.isEmpty(key) || valMapList == null || valMapList.size() == 0) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
sb.append(key).append("= case id");
|
||
|
|
|
||
|
|
for (int i = 0; i < valMapList.size(); i++) {
|
||
|
|
valMap = valMapList.get(i);
|
||
|
|
for (Map.Entry<String, Object> item : valMap.entrySet()) {
|
||
|
|
value = item.getValue();
|
||
|
|
if (value != null && !"now()".equals(value)) {
|
||
|
|
value = "'" + value + "'";
|
||
|
|
}
|
||
|
|
sb.append(" when ").append(item.getKey()).append(" then ").append(value);
|
||
|
|
}
|
||
|
|
if ((i + 1) == valMapList.size()) {
|
||
|
|
sb.append(" end ");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if ((mapIndex + 1) != setByCaseList.entrySet().size()) {
|
||
|
|
sb.append(",");
|
||
|
|
}
|
||
|
|
mapIndex++;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
mapIndex = 0;
|
||
|
|
if (whereMap != null) {
|
||
|
|
for (Map.Entry<String, Object> entry : whereMap.entrySet()) {
|
||
|
|
if (mapIndex == 0) {
|
||
|
|
sb.append(" where ").append(entry.getKey()).append("='").append(entry.getValue()).append("'");
|
||
|
|
} else {
|
||
|
|
sb.append(" and ").append(entry.getKey()).append("='").append(entry.getValue()).append("'");
|
||
|
|
}
|
||
|
|
mapIndex++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
sb.append(" ").append(mapIndex == 0 ? "where" : "and").append(" id in (");
|
||
|
|
for (int i = 0; i < ids.size(); i++) {
|
||
|
|
sb.append(ids.get(i));
|
||
|
|
if ((i + 1) != ids.size()) {
|
||
|
|
sb.append(",");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
sb.append(")");
|
||
|
|
String sql = sb.toString();
|
||
|
|
log.info("sql={}", sql);
|
||
|
|
if ("".equals(sb.toString())) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
return update(sql, null);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|