JSONCPP写入文件 [英] JSONCPP Writing to files

问题描述

JSONCPP有一个作者，但它似乎只是从解析器获取信息，然后将其输出到字符串或流。

解决方案

<$

如何修改或创建新对象，数组，值，字符串等？ p $ p> ＃include< json / writer.h>


代码：

 code> Json :: Value event; 
 Json :: Value vec（Json :: arrayValue）; 
 vec.append（Json :: Value（1））; 
 vec.append（Json :: Value（2））; 
 vec.append（Json :: Value（3））; 
 
 event [competitors] [home] [name] =利物浦; 
 event [competitors] [away] [code] = 89223; 
 event [competitors] [离开] [name] =阿斯顿维拉; 
 event [competitors] [away] [code] = vec; 
 
 std :: cout<<事件< std :: endl; 
  

输出：

 code> {
competitors：
 {
away：
 {
code：[1，2，3]，
name：Aston Villa
}，
home：
 {
name：Liverpool
} 
} 
} 
  

JSONCPP has a writer, but all it seems to do is get info from the parser and then output it into a string or a stream. How do I make it alter or create new objects, arrays, values, strings, et cetera and write them into the file?

解决方案

#include<json/writer.h>

Code:

    Json::Value event;   
    Json::Value vec(Json::arrayValue);
    vec.append(Json::Value(1));
    vec.append(Json::Value(2));
    vec.append(Json::Value(3));

    event["competitors"]["home"]["name"] = "Liverpool";
    event["competitors"]["away"]["code"] = 89223;
    event["competitors"]["away"]["name"] = "Aston Villa";
    event["competitors"]["away"]["code"]=vec;

    std::cout << event << std::endl;

Output:

{
        "competitors" : 
        {
                "away" : 
                {
                        "code" : [ 1, 2, 3 ],
                        "name" : "Aston Villa"
                },
                "home" : 
                {
                        "name" : "Liverpool"
                }
        }
}

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