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Arrays lodash从一个对象映射关键帧,该对象具有对象数组中的值_Arrays_Node.js_Underscore.js_Lodash - Fatal编程技术网

Arrays lodash从一个对象映射关键帧,该对象具有对象数组中的值

Arrays lodash从一个对象映射关键帧,该对象具有对象数组中的值,arrays,node.js,underscore.js,lodash,Arrays,Node.js,Underscore.js,Lodash,我有以下对象: var kmap={ key1:"useless", key2:"useless", key3:"useless" }; var incoming=[ {value:"asd"}, {value:"qwe"}, {value:"zxc"} ]; { key1:"asd", key2:"qwe", key3:"zxc", } var result={}; var keys=Object.keys(kma

我有以下对象:

var kmap={
    key1:"useless",
    key2:"useless",
    key3:"useless"
};
var incoming=[
    {value:"asd"},
    {value:"qwe"},
    {value:"zxc"}
];
{
    key1:"asd",
    key2:"qwe",
    key3:"zxc",
}
var result={};

var keys=Object.keys(kmap);

for(var i=0;i<incoming.length;i++)
{
    result[keys[i]]=incoming[i].value;
}
我需要用这个对象数组的值映射它的键:

var kmap={
    key1:"useless",
    key2:"useless",
    key3:"useless"
};
var incoming=[
    {value:"asd"},
    {value:"qwe"},
    {value:"zxc"}
];
{
    key1:"asd",
    key2:"qwe",
    key3:"zxc",
}
var result={};

var keys=Object.keys(kmap);

for(var i=0;i<incoming.length;i++)
{
    result[keys[i]]=incoming[i].value;
}
结果:

var kmap={
    key1:"useless",
    key2:"useless",
    key3:"useless"
};
var incoming=[
    {value:"asd"},
    {value:"qwe"},
    {value:"zxc"}
];
{
    key1:"asd",
    key2:"qwe",
    key3:"zxc",
}
var result={};

var keys=Object.keys(kmap);

for(var i=0;i<incoming.length;i++)
{
    result[keys[i]]=incoming[i].value;
}
以下是我现在的做法:

var kmap={
    key1:"useless",
    key2:"useless",
    key3:"useless"
};
var incoming=[
    {value:"asd"},
    {value:"qwe"},
    {value:"zxc"}
];
{
    key1:"asd",
    key2:"qwe",
    key3:"zxc",
}
var result={};

var keys=Object.keys(kmap);

for(var i=0;i<incoming.length;i++)
{
    result[keys[i]]=incoming[i].value;
}
var result={};
var keys=Object.keys(kmap);

对于(var i=0;i,您可以将它们与以下函数组合:

var-kmap={
键1:“无用”,
键2:“无用”,
关键3:“无用”
};
输入变量=[
{值:“asd”},
{value:“qwe”},
{value:“zxc”}
];
功能联合收割机(obj1、obj2、propToTake){
返回Object.key(obj1).map(函数(key,i){
返回{
[key]:obj2[i]?obj2[i][propToTake]:未定义
}
});
}

console.log(combine(kmap,incoming,'value'));
您可以使用以下函数将它们组合起来:

var-kmap={
键1:“无用”,
键2:“无用”,
关键3:“无用”
};
输入变量=[
{值:“asd”},
{value:“qwe”},
{value:“zxc”}
];
功能联合收割机(obj1、obj2、propToTake){
返回Object.key(obj1).map(函数(key,i){
返回{
[key]:obj2[i]?obj2[i][propToTake]:未定义
}
});
}

log(combine(kmap,incoming,'value');
这里有一个使用lodash的解决方案:

var result = _.zipObject(_.keys(kmap), _.map(incoming, 'value'))
在给定一个键数组和一个值数组的情况下创建一个对象。我们从
kmap
获取的键以及从
传入的
中提取的值

var-kmap={
键1:“无用”,
键2:“无用”,
关键3:“无用”
};
输入变量=[
{值:“asd”},
{value:“qwe”},
{value:“zxc”}
];
var result=u.zipObject(u.keys(kmap),u.map(传入,'value'))
document.getElementById('result').textContent=JSON.stringify(result);



以下是使用lodash的解决方案:

var result = _.zipObject(_.keys(kmap), _.map(incoming, 'value'))
在给定一个键数组和一个值数组的情况下创建一个对象。我们从
kmap
获取的键以及从
传入的
中提取的值

var-kmap={
键1:“无用”,
键2:“无用”,
关键3:“无用”
};
输入变量=[
{值:“asd”},
{value:“qwe”},
{value:“zxc”}
];
var result=u.zipObject(u.keys(kmap),u.map(传入,'value'))
document.getElementById('result').textContent=JSON.stringify(result);



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