java的JsonObject对象提取值方法
实例如下所示：
importcom.alibaba.fastjson.JSON;
importcom.alibaba.fastjson.JSONArray;
importcom.alibaba.fastjson.JSONObject;
importio.swagger.models.auth.In;
importjava.io.IOException;
importjava.security.KeyManagementException;
importjava.security.NoSuchAlgorithmException;
importjava.util.Iterator;
/**
*CreatedbyAdministratoron2017/4/21.
*/
publicclasstest{
publicstaticvoidmain(String[]args)throwsException{
//第一种格式
/**
*[
{
"data":[
{
"building_id":"***",
"building_num":"**",
"door_name":"**",
"electric":"**",
"room_name":"**"
}
],
"success":true
}
]
*/
Strings="[{\"success\":true,\"data\":[{\"building_id\":\"***\",\"building_num\":\"**\",\"room_name\":\"**\",\"door_name\":\"**\",\"electric\":\"**\"}]}]";
Stringb=s.substring(0,s.length()-1);
Stringc=b.substring(1,b.length());
System.out.println(b+"b___");
JSONObjectjsonx=JSON.parseObject(c);
JSONArrayja=jsonx.getJSONArray("data");
for(inti=0;i>>>>");
}
//第二种格式
/**
*[
{
"password":"*1234567890",
"success":"true"
}
]
*/
Strings="[{\"success\":\"true\",\"password\":\"*1234567890\"}]";
Stringb=s.substring(0,s.length()-1);
Stringc=b.substring(1,b.length());
System.out.println(c+"c___");
JSONObjectreagobj=JSONObject.fromObject(c);
Stringname=reagobj.getString("password");
System.out.println(name+"name,,,,,,");
Stringpassword=jm.getString("password");
System.out.println(password);
System.out.println("看看有没有值"+password);
//第三种格式
/**
*{
"data":{
"access_token":"5a7040ccf66bafd06acd39b6f61c19230eaba426755509646d6da23ddd9fb206",
"expires_second":36000
},
"rlt_code":"HH0000",
"rlt_msg":"成功"
}
*/
Stringres="{\"data\":{\"access_token\":\"5a7040ccf66bafd06acd39b6f61c19230eaba426755509646d6da23ddd9fb206\",\"expires_second\":36000},\"rlt_code\":\"HH0000\",\"rlt_msg\":\"成功\"}";
JSONObjectjsonObject=JSON.parseObject(res);
Stringdata=jsonObject.getString("data");
JSONObjectjsondata=JSON.parseObject(data);
Stringtoken=jsondata.getString("access_token");
//第四种格式
/**
*{
"data":
{
"total":23,
"start":0,
"total_page":3,
"rows":
[
{"op_way":"3","user_mobile":"15321918571","op_time":1493881391976,"pwd_no":30},
{"op_way":"1","op_time":1493880995000,"pwd_no":31}
],
"current_page":1,
"page_size":10
},
"rlt_code":"HH0000",
"rlt_msg":"成功"
}
*/
Stringres="{\"data\":{\"total\":23,\"start\":0,\"total_page\":3,\"rows\":[{\"op_way\":\"1\",\"op_time\":1493884964000,\"pwd_no\":31},{\"op_way\":\"3\",\"user_mobile\":\"18518517491\",\"op_time\":1493884615032,\"pwd_no\":30},{\"op_way\":\"3\",\"user_mobile\":\"18518517491\",\"op_time\":1493883836552,\"pwd_no\":30},{\"op_way\":\"1\",\"op_time\":1493883294000,\"pwd_no\":31},{\"op_way\":\"1\",\"op_time\":1493883256000,\"pwd_no\":31},{\"op_way\":\"3\",\"user_mobile\":\"15321918571\",\"op_time\":1493883015371,\"pwd_no\":30},{\"op_way\":\"1\",\"op_time\":1493882007000,\"pwd_no\":31},{\"op_way\":\"3\",\"user_mobile\":\"15321918571\",\"op_time\":1493881498520,\"pwd_no\":30},{\"op_way\":\"3\",\"user_mobile\":\"15321918571\",\"op_time\":1493881391976,\"pwd_no\":30},{\"op_way\":\"1\",\"op_time\":1493880995000,\"pwd_no\":31}],\"current_page\":1,\"page_size\":10},\"rlt_code\":\"HH0000\",\"rlt_msg\":\"成功\"}";
JSONObjectjsonObject=JSON.parseObject(res);
Stringdata=jsonObject.getString("data");
JSONObjectjsonObjects=JSON.parseObject(data);
JSONArrayja=jsonObjects.getJSONArray("rows");
for(inti=0;i
以上这篇java的JsonObject对象提取值方法就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持毛票票。