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我無法理解此JSON字符串。使用GSON解釋和閱讀JSON
{
"results":[
{
"user":{
"gender":"female",
"name":{
"title":"miss",
"first":"taylor",
"last":"anderson"
},
"location":{
"street":"3645 dogwood ave",
"city":"roseburg",
"state":"new hampshire",
"zip":"20963"
},
"email":"[email protected]",
"username":"heavyduck595",
"password":"liverpool",
"salt":"UK`o;9a_",
"md5":"6c8db0305b4591d8d9820d9f8edfd162",
"sha1":"906df4c09f3a87899666cb57bf974bd9b1950ea6",
"sha256":"3b12f5e51688578f845bef8ae1750d3e263c2010691010a80ce632a6b2323c03",
"registered":"1359027425",
"dob":"16243995",
"phone":"(934)-888-7068",
"cell":"(727)-467-8384",
"SSN":"697-20-6143",
"picture":"http://api.randomuser.me/0.3/portraits/women/30.jpg"
},
"seed":"5eaf02877746c7e",
"version":"0.3"
}
]
}
這是我第一次真正使用JSON,並且想要適當地解釋它。這是代碼我迄今:
static class Results{
String results;
}
static class User{
String gender;
String name;
String location;
List<Results> items;
}
private static String readUrl(String urlString) throws Exception {
BufferedReader reader = null;
try {
URL url = new URL(urlString);
reader = new BufferedReader(new InputStreamReader(url.openStream()));
StringBuffer buffer = new StringBuffer();
int read;
char[] chars = new char[1024];
while ((read = reader.read(chars)) != -1)
buffer.append(chars, 0, read);
return buffer.toString();
} finally {
if (reader != null)
reader.close();
}
}
public void larry() throws Exception{
String json = readUrl("http://api.randomuser.me/");
System.out.println(json);
Gson gson = new Gson();
User page = gson.fromJson(json, User.class);
System.out.println(page.name);
for (Results item : page.items)
System.out.println(" " + item.results);
}
還有一些打印縮進的東西,你可以使用「\ t」作爲製表符而不是像「」這樣的多個空格。 – Kuchi
在你做其他事情之前,請轉到json.org並花費5分鐘時間來學習JSON語法 - 它非常簡單易懂。然後,在使用諸如GSON之類的東西來直接生成自定義Java對象之前,請使用其中一個「乾淨的」JSON解析器將JSON解析爲地圖和列表,並學習如何解決這些問題。那麼GSON等人的複雜性會更容易理解。 –
(和谷歌的「JSON在線分析器」 - 有幾個在線工具將語法檢查和格式化JSON字符串,以便於閱讀。) –