fastjson 根本使用方法 _JavaScript

fastjson 基本使用方法

?fastjson 用于生成和解析 JSON 数据的简单示例

[代码] [Java]代码

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public class User { 

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????private Long id; 

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????private String name; 

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??

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????public Long getId() { return id; } 

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????public void setId(Long id) { this.id = id; } 

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??

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????public String getName() { return name; } 

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????public void setName(String name) { this.name = name; } 

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}

[代码] [Java]代码

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public class Group { 

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????private Long id; 

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????private String name; 

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????private List<User> users = new ArrayList<User>(); 

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??

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????public Long getId() { return id; } 

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????public void setId(Long id) { this.id = id; } 

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??

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????public String getName() { return name; } 

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????public void setName(String name) { this.name = name; } 

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??

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????public List<User> getUsers() { return users; } 

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????public void setUsers(List<User> users) { this.users = users; } 

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}

[代码] 编码

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import com.alibaba.fastjson.JSON; 

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??

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Group group = new Group(); 

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group.setId(0L); 

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group.setName("admin"); 

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??

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User guestUser = new User(); 

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guestUser.setId(2L); 

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guestUser.setName("guest"); 

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??

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User rootUser = new User(); 

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rootUser.setId(3L); 

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rootUser.setName("root"); 

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??

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group.getUsers().add(guestUser); 

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group.getUsers().add(rootUser); 

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??

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String jsonString = JSON.toJSONString(group); 

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??

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System.out.println(jsonString);

[代码] 输出结果

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{ 

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??????"name":"admin", 

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??????"id":0,"users":[ 

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?????????????????????????????{"name":"guest","id":2}, 

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?????????????????????????????{"name":"root","id":3} 

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?????????????????????????] 

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}

[代码] 解码

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Group group2 = JSON.parseObject(jsonString, Group.class);