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package com.fanshe;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.lang.reflect.Type;
import com.str.ZiFuChuan;
public class GetClass {
public static void main(String[] args) throws IllegalArgumentException, IllegalAccessException, InstantiationException {
Class classS = ZiFuChuan.class;
Package classPackage = classS.getPackage();
System.out.println("package "+classPackage.getName());
int mod = classS.getModifiers();
String classModifier = Modifier.toString(mod);
System.out.println(classModifier + " class ZiFuChuan {");
getFieldContent(classS);
getConstructorContent(classS);
getMethodContent(classS);
System.out.println("}");
}
/**
* 获取所有全局变量
* @param classS
* @throws IllegalAccessException
* @throws IllegalArgumentException
* @throws InstantiationException
*/
public static void getFieldContent(Class classS) throws IllegalArgumentException, IllegalAccessException, InstantiationException{
String typeName = "";
Field[] field = classS.getDeclaredFields();
for(Field fi : field){
typeName = fi.getType().getName();
String xsfTmp = Modifier.toString(fi.getModifiers()) ;
String xiushifu = xsfTmp.length() == 0 ? "" : xsfTmp + " ";
String value = getValue(typeName,fi,classS);
if("null".equals(value)||value == null||"null;".equals(value)){
System.out.println(" "+xiushifu+typeName+" "+fi.getName()+"; ");
}else{
System.out.println(" "+xiushifu+typeName+" "+fi.getName()+" = " + getValue(typeName,fi,classS));
}
}
}
public static void getConstructorContent(Class classS){
Constructor[] con = classS.getConstructors();
for(Constructor c : con){
int mod = c.getModifiers();
String ConstructorModifier = Modifier.toString(mod);
String constructorParameter = getConstructorParameter(c);
System.out.println(" "+ConstructorModifier+" " + c.getName() + "("+constructorParameter+"){");
System.out.println(" }");
}
}
/**
* 获取构造方法中的参数
* @param c
* @return
*/
public static String getConstructorParameter(Constructor c){
String qxTemp = "";
String qx = "";
int con = 0;
Class[] parameterTypeArr = c.getParameterTypes();
for(Class clas : parameterTypeArr){
qxTemp += clas.getTypeName() + " org"+con+",";
con++;
}
int qxTempLength = qxTemp.length();
if(qxTempLength > 0){
qx = qxTemp.substring(0, qxTempLength-1);
}
return qx;
}
/**
* 获取除构造方法外其他的方法的逻辑
* @param classS
*/
public static void getMethodContent(Class classS){
Method[] method = classS.getDeclaredMethods();
for(Method m : method){
int mod = m.getModifiers();
String methodModifier = Modifier.toString(mod);
Type type = m.getGenericReturnType();
String methodParameter = getMethodParameter(m);
System.out.println(" "+methodModifier +" "+ type.getTypeName() +" " + m.getName() + "("+methodParameter+"){");
System.out.println(" }");
}
}
/**
* 获取其他方法的参数
* @param m
* @return
*/
public static String getMethodParameter(Method m){
String qxTemp = "";
String qx = "";
int con = 0;
Class[] parameterTypeArr = m.getParameterTypes();
for(Class clas : parameterTypeArr){
qxTemp += clas.getTypeName()+" org"+con+",";
con++;
}
int qxTempLength = qxTemp.length();
if(qxTempLength > 0){
qx = qxTemp.substring(0, qxTempLength-1);
}
return qx;
}
/**
* 全局变量初始化值
* @param typeName
* @param fi
* @param classS
* @return
* @throws IllegalArgumentException
* @throws IllegalAccessException
* @throws InstantiationException
*/
public static String getValue(String typeName,Field fi,Class classS) throws IllegalArgumentException, IllegalAccessException, InstantiationException{
String value = "";
Object obj = classS.newInstance();
fi.setAccessible(true);
String[] types = {"java.lang.Integer",
"java.lang.Double",
"java.lang.Float",
"java.lang.Long",
"java.lang.Short",
"java.lang.Byte",
"java.lang.Boolean",
"java.lang.Character",
"int","double","long","short","byte","boolean","char","float"};
for(String str : types) {
if(fi.getType().getName().equals("java.lang.String")){
Object fiObj = fi.get(obj);
if(fiObj != null){
value = "\""+fiObj.toString()+"\";";
}else{
value = null;
}
}else if(fi.getType().getName().equals(str)){
value = fi.get(obj).toString()+";";
}
}
return value;
}
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