我试图在
Android应用程序中创建一个JSON字符串.
JSONArray jArrayFacebookData = new JSONArray(); JSONObject jObjectType = new JSONObject(); // put elements into the object as a key-value pair jObjectType.put("type","facebook_login"); jArrayFacebookData.put(jObjectType); // 2nd array for user information JSONObject jObjectData = new JSONObject(); // Create Json Object using Facebook Data jObjectData.put("facebook_user_id",id); jObjectData.put("first_name",first_name); jObjectData.put("last_name",last_name); jObjectData.put("email",email); jObjectData.put("username",username); jObjectData.put("birthday",birthday); jObjectData.put("gender",gender); jObjectData.put("location",place); jObjectData.put("display_photo",display_photo_url); jArrayFacebookData.put(jObjectData);
这会创建一个像这样的字符串
[ { "type":"facebook_login" },{ "birthday":"06\/22\/1986","first_name":"Harsha","username":"harshamv","location":"Bangalore,India","email":"hmv2206@gmail.com","last_name":"Mv","gender":"male","facebook_user_id":"1423671254","display_photo":"http:\/\/graph.facebook.com\/1423671254\/picture?type=large" } ]
我想创建一个像这样的JSON字符串
[ "system":{ "type":"facebook_login" },"data":{ "birthday":"06\/22\/1986","display_photo":"http:\/\/graph.facebook.com\/1423671254\/picture?type=large" } ]
解决方法
JSONObject jArrayFacebookData = new JSONObject(); JSONObject jObjectType = new JSONObject(); // put elements into the object as a key-value pair jObjectType.put("type","facebook_login"); jArrayFacebookData.put("system",jObjectType); // 2nd array for user information JSONObject jObjectData = new JSONObject(); // Create Json Object using Facebook Data jObjectData.put("facebook_user_id",display_photo_url); jArrayFacebookData.put("data",jObjectData);
这将给你jsonObject,但不是数组,我没有看到使用JSONArray的任何意义.在这种情况下,JSONObject更好.您将看到以下输出为String
{ "system":{ "type":"facebook_login" },"display_photo":"http:\/\/graph.facebook.com\/1423671254\/picture?type=large" } }
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