求教各位大侠，如何使用Java语言遍历这段Json数组的每个元素，因为结构比较复杂，有点无从下手，求代码示例

Question

[     {         "projectName": "bingo-paas",         "appName": "bingo-devops",         "progType": "GENERAL",         "deployType": "CONTAINER",         "projectId": "p-19sn3n1sv66c0",         "progId": "g-19sn59o2m29e0",         "progName": "bingo-devops-console",         "packs": [             {                 "packId": "k-19ssm5j5dc220",                 "packCode": "bingo-devops-console",                 "packUri": "registry.bingosoft.net/bingodevops/bingo-devops-console",                 "packVersion": "latest",                 "repo": {                     "repoId": "r-1adnr9sbnshbo",                     "repoName": "registry",                     "repoType": "CONTAINER",                     "repoUri": "http://registry.bingosoft.net",                     "handler": {},                     "projectName": "bingo-paas",                     "credentialId": "d-1adnr9pusbmkp",                     "repoServer": "http://registry.bingosoft.net",                     "hibernateLazyInitializer": {},                     "projectId": "p-19sn3n1sv66c0",                     "credentialName": "paas_app_ecr"                 },                 "progId": "g-19sn59o2m29e0",                 "appId": "a-19sn3okvsq0i0"             }         ],         "appId": "a-19sn3okvsq0i0",         "createdOn": "2018-02-25 02:21:57",         "createdBy": "308b29c4-3f5b-4a3d-9d5b-4e41ae4dda81",         "createdByName": "李强"     },     {         "projectName": "bingo-paas",         "appName": "bingo-devops",         "progType": "GENERAL",         "deployType": "CONTAINER",         "projectId": "p-19sn3n1sv66c0",         "progId": "g-19ta9di7jmpq0",         "progName": "bingo-devops-agent",         "packs": [             {                 "packId": "gp-19tmlpje1inrc",                 "packCode": "bingo-devops-agent",                 "packUri": "registry.bingosoft.net/bingodevops/bingo-devops-agent",                 "packVersion": "latest",                 "repo": {                     "repoId": "r-1adnr9sbnshbo",                     "repoName": "registry",                     "repoType": "CONTAINER",                     "repoUri": "http://registry.bingosoft.net",                     "handler": {},                     "projectName": "bingo-paas",                     "credentialId": "d-1adnr9pusbmkp",                     "repoServer": "http://registry.bingosoft.net",                     "hibernateLazyInitializer": {},                     "projectId": "p-19sn3n1sv66c0",                     "credentialName": "paas_app_ecr"                 },                 "progId": "g-19ta9di7jmpq0",                 "appId": "a-19sn3okvsq0i0"             }         ],         "appId": "a-19sn3okvsq0i0",         "createdOn": "2018-02-25 02:21:57",         "createdBy": "308b29c4-3f5b-4a3d-9d5b-4e41ae4dda81",         "createdByName": "李强"     } ]

Answer 1

需要用到json相关的jar包，可以用库的，也可以用阿里的fastjson

遍历json数组简单示例如下

// 一个未转化的字符串
String str = "[{name:'a',value:'aa'},{name:'b',value:'bb'},{name:'c',value:'cc'},{name:'d',value:'dd'}]" ; 
 // 首先把字符串转成 JSONArray  对象
JSONArray json = JSONArray.fromObject(str );
if(json.size()>0){
  for(int i=0;i<json.size();i++){
 // 遍历 jsonarray 数组，把每一个对象转成 json 对象
JSONObject job = json.getJSONObject(i); 
// 得到 每个对象中的属性值
System.out.println(job.get("name")+"=") ;  
  }