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128 lines
5.3 KiB
128 lines
5.3 KiB
3 years ago
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package com.ynxbd.common.helper.common;
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//
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//import javassist.ClassPool;
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//import javassist.CtClass;
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//import javassist.CtMethod;
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//import javassist.Modifier;
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//import javassist.bytecode.CodeAttribute;
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//import javassist.bytecode.LocalVariableAttribute;
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//import javassist.bytecode.MethodInfo;
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//import weixin.popular.bean.user.User;
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//
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//public class MethodUtil {
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//
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// public String test() {
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// return "hello";
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// }
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//
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// public static void test2(String a, String b, User user) {
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// System.out.println(a);
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// System.out.println(b);
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// }
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//
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// public static void test03(String name, Object... args) {
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// System.out.println(name);
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// for (Object o : args) {
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// System.out.println(o);
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// }
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// }
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//
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// public static void main(String[] args) {
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//// ArrayList<Object> objects = new ArrayList<>();
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////// objects.add("123");
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////// objects.add(true);
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//// test03("123", objects);
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// String[] names = getMethodParams("", "getData");
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// System.out.println(names);
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// if (names == null) return;
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//// System.out.println(names);
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// for (String name : names) {
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// System.out.println(name);
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// }
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// }
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//
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//
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// /**
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// * 根据类名和方法名，获取方法的参数名
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// *
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// * @param clazzName 类名
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// * @param methodName 方法名
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// * @return 参数名数组
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// */
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// public static String[] getMethodParams(String clazzName, String methodName) {
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// try {
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// ClassPool pool = ClassPool.getDefault();
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// CtClass cc = pool.get(clazzName);
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// CtMethod cm = cc.getDeclaredMethod(methodName);
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// MethodInfo methodInfo = cm.getMethodInfo();
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// CodeAttribute codeAttribute = methodInfo.getCodeAttribute();
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// String[] params = new String[cm.getParameterTypes().length];
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// LocalVariableAttribute attr = (LocalVariableAttribute) codeAttribute.getAttribute(LocalVariableAttribute.tag);
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// if (attr != null) {
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// int pos = Modifier.isStatic(cm.getModifiers()) ? 0 : 1;
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// for (int i = 0; i < params.length; i++) {
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// params[i] = attr.variableName(i + pos);
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// }
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// return params;
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// }
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// } catch (Exception e) {
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// e.printStackTrace();
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// }
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// return null;
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//
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// }
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//初始化
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// private void getVar() throws IntrospectionException, IllegalAccessException, InstantiationException, CannotCompileException {
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// Class<? extends BaseServlet> clazz = this.getClass();
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// ClassPool pool = ClassPool.getDefault();
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// CtClass ctClass = pool.makeClass(StringUtils.capitalize(clazz.getName()));
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// map = new HashMap<>();
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// Field[] fields = clazz.getDeclaredFields();
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// for (Field f : fields) {
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// if (f.isAnnotationPresent(RequestParam.class)) {
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// RequestParam requestParam = f.getAnnotation(RequestParam.class);
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// // 注解值c
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// Class<?> type = f.getType();
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//// System.out.println(f.getType());
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//// System.out.println(f.getGenericType());
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//// Object o = type.newInstance();
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//// Class<? extends Type> aClass = f.getGenericType().getClass();
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// System.out.println("++++++++++++++++++++");
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// String annotationVal = requestParam.value();
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// System.out.println(annotationVal);
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// // 属性名
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// CtField make = CtField.make(String.format(fieldTemplate, f.getType().getName(), f.getName()), ctClass);
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//
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// String setMethodName = SETTER_STR + StringUtils.capitalize(f.getName());
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// String getMethodName = GETTER_STR + StringUtils.capitalize(f.getName());
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//
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// CtMethod setter = CtNewMethod.setter(setMethodName, make);
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// ctClass.addMethod(setter);
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// CtMethod getter = CtNewMethod.getter(getMethodName, make);
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// ctClass.addMethod(getter);
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//
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// System.out.println(setter.toString());
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// System.out.println(getter.toString());
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// System.out.println("===============");
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//
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// String fieldName = f.getName();
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//
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//// PropertyDescriptor descriptor = new PropertyDescriptor(fieldName, clazz); //给一个属性，获取值
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//// Method getMethod = descriptor.getReadMethod(); //相当于为上面声明的字段设置get方法
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//// Method setMethod = descriptor.getWriteMethod(); //为上面声明的字段设置set方法（又称内省）
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//// getMethod.setAccessible(true);
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//// setMethod.setAccessible(true);
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//// System.out.println(setMethod.toString());
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//// System.out.println(getMethod.toString());
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// if (annotationVal.equals("")) {
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// map.put(annotationVal, new BaseRequest(annotationVal, fieldName, setter, getter));
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// } else {
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// map.put(fieldName, new BaseRequest(fieldName, fieldName, setter, getter));
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// }
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// }
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// }
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// }
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//}
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