jar包:gson-xxx.jar
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
/** * @author henrypoter
*
*/
public class JsonFormatter {
/**
* @param args
*/
public static void main(String[] args) {
String uglyJSONString = "{\"data1\":100,\"data2\":\"hello\",\"list\":[\"String 1\",\"String 2\",\"String 3\"]}";
String prettyJsonString = jsonFormatter(uglyJSONString);
System.out.println("JSON格式化前：");
System.out.println(uglyJSONString);
System.out.println("JSON格式化后：");
System.out.println(prettyJsonString);
}
public static String jsonFormatter(String uglyJSONString){
Gson gson = new GsonBuilder().setPrettyPrinting().create();
JsonParser jp = new JsonParser();
JsonElement je = jp.parse(uglyJSONString);
String prettyJsonString = gson.toJson(je);
return prettyJsonString;
}
}结果:
JSON格式化前：{"data1":100,"data2":"hello","list":["String 1","String 2","String 3"]}
JSON格式化后：{ "data1": 100,
"data2": "hello",
"list": [
"String 1",
"String 2",
"String 3"
]
}