我无法弄清楚如何限制我的输出。我必须比较对象内每个属性的值,但我只需要每个 ID 1 个输出。
有什么想法吗?
//JSON 示例
var obj1 = {
"Summary" :
[
{
"ID" : "1234",
"Name" : "John",
"Status" : "Green",
},
{
"ID" : "5678",
"Name" : "Mike",
"Status" : "Green",
},
{
"ID" : "9012",
"Name" : "Tom",
"Status" : "Red",
}
]
};
//我的代码
var attributesvalues = ["Mike", "Green", "Red"];
var sg1 = [];
var k;
var l;
//push name of each attribute value to a new array
//one example
sg1.push(attributesvalues[0]);
//go through each ID, if name value exist, push the #1, if not, push nothing
for (k = 0; k < obj1.Summary.length; k++) {
for (l in obj1.Summary[k]) {
if (sg1[0] == obj1.Summary[k][l]){
sg1.push("1");
}
else{
sg1.push("");
}
}
}
输出应如下所示 - 我只需要 4 个值,每个 ID(3) 为名称 + 1 或“”
sg1 = ["迈克", "", "1", ""]
sg2 = ["绿色", "1", "1", ""]
相反,我得到的是这个 - 每个属性的名称 + 1 或“”。
sg1 = ["迈克", "", "", "", "", "1", "", "", "", ""]
sg2 = ["绿色", "", "", "1", "", "", "1", "", "", ""]
如果您能提供任何其他指示或提示,我们将不胜感激。我仍在努力掌握 JS 的窍门。
最佳答案
在完成整个 for-in
循环之前,您不知道是否有匹配项。
var found;
for (k = 0; k < obj1.Summary.length; k++) {
found = "";
for (l in obj1.Summary) {
if (obj1.Summary[i][l] == sg1[0]) {
found = "1";
break;
}
}
sg1.push(found);
}
关于javascript - 解析 JSON,找到值的匹配项并将其存储在数组中,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27388997/