Custom JSON return data

• Back end development , Use spring The official return data agreement is not unified ⼀, Missing business status code .
• Thus, you can define the status code by yourself , Achieve unity with the front end .

public class JsonData {
    private int code;
    private Object data;
    private String msg;
    public int getCode() {
        return code;
    }
    public void setCode(int code) {
        this.code = code;
    }
    public Object getData() {
        return data;
    }
    public void setData(Object data) {
        this.data = data;
    }
    public String getMsg() {
        return msg;
    }
    public void setMsg(String msg) {
        this.msg = msg;
    }
    public JsonData(){}
    public JsonData(int code, Object data){
        this.code = code;
        this.data = data;
    }
    public JsonData(int code, Object data, String msg){
        this.code = code;
        this.data =data;
        this.msg = msg;
    }
    public static JsonData buildSuccess(Object data){
        return new JsonData(1,data);//1 On behalf of success 
    }
    public static JsonData buildError(String msg){
        return new JsonData(0,"",msg);//0 For failure 
    }
    public static JsonData buildError(String msg,int code){
        return new JsonData(code,"",msg);// Custom status code , Unified with the front end 
    }
}