fastjson转list bean

<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.4</version>

</dependency>

 
  publicclassFastJSON{
/**
*@paramargs
*/
staticvoidmain(String[]args)throwsException{
//string2Json();
//string2Object();
//string2List();
map2json();
map2JSON();
}
/**
*通过fastjson把字符串转换成JSON数据
*TypeReference
voidstring2Json(){
StringBufferbuffer=newStringBuffer();
buffer.append("{");
"\"age\":").append("27").append(",");
"\"userName\":").append("\"龙叔\"").append();
"\"address\":").append("\"广东省云浮市\"");
"}");
StringjsonText=buffer.toString();
JSONObjectjobj=JSON.parSEObject(jsonText);
Stringaddress=jobj.get("address").toString();
System.out.println(address);
*通过fastjson把字符串转换成对象
voidstring2Object(){
//方法一把json字符串转成Student对象
Studentstu1=JSON.parSEObject(jsonText,newTypeReference<Student>(){});
//方法二把json字符串转成Student对象
Studentstu2=JSON.parSEObject(jsonText,Student.class);
System.out.println(stu1.getAddress());
System.out.println(stu2.getAddress());
}
*通过fastjson把字符串转换成泛型数组
voidstring2List(){
"[{");
"}]");
//转成成数组
Student[]stu2=JSON.parSEObject(jsonText,255); background-color:inherit; font-weight:bold">newTypeReference<Student[]>(){});
List<Student>list=Arrays.asList(stu2);
for(Studentst:list){
System.out.println(st.getAddress());
//转换成ArrayList
ArrayList<Student>list2=JSON.parSEObject(jsonText,255); background-color:inherit; font-weight:bold">newTypeReference<ArrayList<Student>>(){});
for(inti=0;i<list2.size();i++){
Studentobj=(Student)list2.get(i);
System.out.println(obj.getAddress());
*通过fastjson把Map换成字符串转
*/
voidmap2json(){
//创建一个Map对象
Map<String,String>map=newHashMap<String,String>();
map.put("username","周伯通");
"address",0); background-color:inherit">"广东省仙游谷");
"age",0); background-color:inherit">"198");
Stringjson=JSON.toJSONString(map,255); background-color:inherit; font-weight:bold">true);//转成JSON数据
//遍历数组数据
for(Stringkey:map1.keySet()){
System.out.println(key+":"+map1.get(key));
*通过fastjson把Map换成字符串转
voidmap2JSON(){
Mapmap=newHashMap();
Stringjson=JSON.toJSONString(map);
Mapmap1=JSON.parSEObject(json);
for(Objectobj:map.entrySet()){
Map.Entry<String,String>entry=(Map.Entry<String,String>)obj;
System.out.println(entry.getKey()+"--->"+entry.getValue());
}
 

[java]view plaincopy 
   
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packageivyy.taobao.com.entity;
importjava.io.Serializable;
*@Author:liangjl
*@Date:2014-12-19
*@Version:1.0
*@Description:
classStudentimplementsSerializable{
privateIntegerage;
privateStringsex;
privateStringuserName;
privateStringbirthday;
privateStringaddress;
privateStringemail;
publicIntegergetAge(){
returnage;
voidsetAge(Integerage){
this.age=age;
publicStringgetSex(){
returnsex;
voidsetSex(Stringsex){
this.sex=sex;
publicStringgetUserName(){
returnuserName;
voidsetUserName(StringuserName){
this.userName=userName;
publicStringgetBirthday(){
returnbirthday;
voidsetBirthday(Stringbirthday){
this.birthday=birthday;
publicStringgetAddress(){
returnaddress;
voidsetAddress(Stringaddress){
this.address=address;
publicStringgetEmail(){
returnemail;
voidsetEmail(Stringemail){
this.email=email;
}

fastjson转list bean

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