JSON规范

最新推荐文章于 2025-07-19 09:15:41 发布

原创最新推荐文章于 2025-07-19 09:15:41 发布 · 743 阅读

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本文详细介绍了如何使用Java和Gson库实现JSON数据的封装和解析，包括数据结构定义、JSON字符串转换以及属性访问方法。

public class GlobalConstant
{
public static boolean JSON_FAIL_FLAG_KEY = false;
public static boolean JSON_SUCCESS_FLAG_KEY = true;
}

import java.io.Serializable;

import com.google.gson.Gson;

public class ResultJsonWarp implements Serializable
{
    private static final long serialVersionUID = -6839065544940211682L;
    private boolean flag = true;//是否成功
    private String msg = "调用成功";//调用返回消息
    private Object data = "";//返回的数据对象

public String toJsonString()
{

        Gson gson = new Gson();
        StringBuffer json = new StringBuffer("{\"flag\": ");
        json.append(flag);
        json.append(",\"msg\":\"");
        json.append(msg);
        json.append("\",\"data\":");
        json.append(gson.toJson(data));
        json.append(" }");
        return json.toString();
    }

    public boolean isFlag()
    {
        return flag;
    }

    public void setFlag(boolean flag)
    {
        this.flag = flag;
    }

    public String getMsg()
    {
        return msg;
    }

    public void setMsg(String msg)
    {
        this.msg = msg;
    }

    public Object getData()
    {
        return data;
    }

    public void setData(Object data)
    {
        this.data = data;
    }

    public int getRowCount()
    {
        return rowCount;
    }

    public void setRowCount(int rowCount)
    {
        this.rowCount = rowCount;
    }

    public int getTotalPage()
    {
        return totalPage;
    }

    public void setTotalPage(int totalPage)
    {
        this.totalPage = totalPage;
    }
}

返回的都是形如下面样式的JSON，便于规范

{ "flag":boolean flag,