package com.str;

public class ZiFuChuan {

public static String ss = "全局變量!!!!!!";

String s2 = null;

public int aa = 1 ;

int aa2;

double dou = 1.1;

Double d = new Double(1.1);

public static void main(String[] args) {}

public ZiFuChuan(){}

public ZiFuChuan(String st){}

public ZiFuChuan(int orgInt,String orgString){}

public static void tmpArr(int a[],String s,StringBuffer s2){}

}

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 {

// TODO Auto-generated method stub

Class classS = ZiFuChuan.class;

//獲取包

Package classPackage = classS.getPackage();

System.out.println("package "+classPackage.getName());

//獲取類的修飾符

int mod = classS.getModifiers();

String classModifier = Modifier.toString(mod);

System.out.println(classModifier + " class ZiFuChuan {");

//調(diào)用全局變量方法

getFieldContent(classS);

//調(diào)用構(gòu)造方法

getConstructorContent(classS);

//調(diào)用其他方法

getMethodContent(classS);

System.out.println("}");

}./*歡迎加入java交流Q君樣：909038429一起吹水聊天

/**

* 獲取所有全局變量

* @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()) ;

//全局變量有修飾符的在變量前加修飾符并且修飾符和數(shù)據(jù)類型之間用空格分隔,否則不需要加空格

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(" }");

}

}

/**

* 獲取構(gòu)造方法中的參數(shù)

* @param c

* @return

*/

public static String getConstructorParameter(Constructor c){

String qxTemp = "";

String qx = "";

int con = 0;

Class[] parameterTypeArr = c.getParameterTypes();

//獲取構(gòu)造方法中的參數(shù)

for(Class clas : parameterTypeArr){

qxTemp += clas.getTypeName() + " org"+con+",";

con++;

}

int qxTempLength = qxTemp.length();

//去掉空參的構(gòu)造方法

if(qxTempLength > 0){

qx = qxTemp.substring(0, qxTempLength-1);

}

return qx;

}

/**

* 獲取除構(gòu)造方法外其他的方法的邏輯

* @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);

//獲取方法返回值類型

Type type = m.getGenericReturnType();

String methodParameter = getMethodParameter(m);

System.out.println(" "+methodModifier +" "+ type.getTypeName() +" " + m.getName() + "("+methodParameter+"){");

System.out.println(" }");

}

}

/**

* 獲取其他方法的參數(shù)

* @param m

* @return

*/

public static String getMethodParameter(Method m){

String qxTemp = "";

String qx = "";

int con = 0;

Class[] parameterTypeArr = m.getParameterTypes();

//獲取構(gòu)造方法中的參數(shù)

for(Class clas : parameterTypeArr){

qxTemp += clas.getTypeName()+" org"+con+",";

con++;

}

int qxTempLength = qxTemp.length();

//去掉空參的構(gòu)造方法

if(qxTempLength > 0){

qx = qxTemp.substring(0, qxTempLength-1);

}

return qx;

}./*歡迎加入java交流Q君樣：909038429一起吹水聊天

/**

* 全局變量初始化值

* @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);

//判斷變量是否初始化

if(fiObj != null){

//String 類型參數(shù)需要用雙引號擴(kuò)上

value = "\""+fiObj.toString()+"\";";

}else{

value = null;

}

}else if(fi.getType().getName().equals(str)){

value = fi.get(obj).toString()+";";

}

}

return value;

}

}

僅通過java反射機(jī)制沒有想到獲取方法體的辦法，有知道的大神，還請不吝賜教

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