如何将关联数组转换为key:value? [英] How to convert associative array to key:value?

问题描述

我需要转换关联数组，以将其放入Json，但我不能理解如何做到这一点.方法to!string添加不必要的斜杠.

I need to convert associative array, to put them to Json, but I can't understanf how to do it. Method to!string add unnecessary slashes.

int[string] name;
name["Python"] = 5;
Json tags = Json.emptyObject; //Json object
tags["tags"] = name.to!string;
writeln(tags);

{"tags":"[\"Python\":1]"}

我需要获取:{"tags":{"Python":1}}

我也在考虑使用tuples，所以如果有什么解决方案，我想看看.

Also I am thinking about using tuples so if there is any solution for them I would like to look at it.

推荐答案

to!string是错误的方法.您不想转换为通用字符串，而是转换为JSON.

to!string is the wrong approach. You don't want to convert to a generic string, but to JSON.

我的第一个想法是tags["tags"] = name;.但是vibe.d的JSON似乎没有一个带有通用关联数组的opAssign.

My first idea would be tags["tags"] = name;. But vibe.d's JSON doesn't seem to have an opAssign that takes a generic associative array.

第二个想法，遍历name并将其项分配给tags["name"]:

Second idea, loop over name and assign its items to tags["name"]:

import vibe.data.json;
import std.stdio;

void main()
{
    int[string] name;
    name["Python"] = 5;
    Json tags = Json.emptyObject; //Json object

    tags["tags"] = Json.emptyObject;
    foreach (k, v; name) tags["tags"][k] = v;

    writeln(tags);
}

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