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ennerateClass {
10 public static void generate(Class<?> clazz) {
11 String methodStr = ""; //：方法字符串的拼接
12 String classStr = ""; //：类名的拼接
13 String packageStr = ""; //：导入包名的拼接
14 String classParamStr = ""; //：
15 String staticCodeStr = "static {\ntry {";//：静态代码块的拼接
16 String member_var = ""; //：成员变量的拼接
17 String package1 = clazz.getPackage().getName();
18 String simpleName = clazz.getSimpleName(); //：获得简单类名
19 String className = clazz.getName(); //：获得权限定类名
20 //：构造函数的拼接
21 String counstructStr = "public " + simpleName + "$proxy0(InvocationHandler h) {\r\n" + " super(h);\r"
22 + " }\n";
23 // ：导包
24 packageStr = "package " + package1 + ";\n"
25 + "import proxyBase.MyProxy;\r import java.lang.reflect.InvocationHandler;\n"
26 + "import java.lang.reflect.Method;\n";
27 // ：构建类名
28 classStr += "public class " + simpleName + "$proxy0 extends MyProxy implements " + simpleName + "{\n" + "";
29 // ：构建代理类的方法
30 Method[] methods = clazz.getMethods();
31 int i = 0;
32 for (Method method : methods) {
33 String paramStr = "";//：参数变量拼接
34 int paramCount = 0; //：参数个数计数用来生成参数变量
35 i += 1;
36 member_var += "private static Method m" + i + ";\n";//成员变量的拼接
37 String tempStr = ""; //：参数列表
38 String methodName = method.getName();// 方法名
39 Class<?>[] parameterTypes = method.getParameterTypes();// 参数列表的class类型
40 Class<?> returnType = method.getReturnType();// 返回值类型
41 methodStr += "public final " + returnType.getName() + " " + methodName + "(";
42 // ：参数列表名字符串
43 for (Class<?> type : parameterTypes) {
44 paramCount += 1;
45 tempStr += "," + type.getName() + " param" + paramCount;
46 paramStr += ",param" + paramCount;
47 classParamStr += "," + type.getName() + ".class";
48 }
49 //：
50 if (!paramStr.isEmpty()) {
51 paramStr = paramStr.substring(1);
52 }
53 if (!tempStr.isEmpty()) {
54 tempStr = tempStr.substring(1);
55 }
56 if (classParamStr.isEmpty()) {
57 classParamStr = "null";
58 } else {
59 classParamStr = classParamStr.substring(1);
60 }
61 //：判断返回值是否时void，是则不需要return
62 //方法的拼接
63 if (returnType.getName().equals("void")) {
64 methodStr = methodStr + tempStr + ")\n{\n" + "\ttry{\n\tthis.h.invoke(this,m" + i + ",new Object[]{"
65 + paramStr + "});" + "} catch (Throwable e) {\r\n" + " e.printStackTrace();\r\n"
66 + " }\n}\n";
67 } else {
68 methodStr = methodStr + tempStr + ")\n{\nObject result=null;\n\ttry{\n\tresult=this.h.invoke(this,m" + i
69 + ",new Object[]{" + paramStr + "});" + "} catch (Throwable e) {\r\n"
70 + " e.printStackTrace();\r\n" + "}\nreturn (" + returnType.getName() + ")result;}\n";
71 }
72 // ：构建静态代码块
73 if (!classParamStr.equals("null")) {
74 staticCodeStr += "m" + i + " = Class.forName(\"" + className + "\").getMethod(\"" + methodName
75 + "\",new Class<?>[]{" + cla |