将对象属性键设置为变量值

Question

我正在动态创建一个对象，并想将属性（也是一个对象）设置为变量的值。

我的代码：

var guid, block, lot, muni, county, owner, prop_loc;

guid = 'Some unique value';
//code to set the other variable values here...

var menuItem = new MenuItem({
    id: 'basic',
    label: 'Report',
    onClick: lang.hitch(this, function () {
        topic.publish('basicReportWidget/reportFromIdentify', {
            guid : {  //set this to the guid string value
                block: block,
                lot: lot,
                muni: muni,
                county: county,
                owner: owner,
                prop_loc: prop_loc,
                type: 'basic'
            }
        });
    })
});

Answer 1

如果所有这些都是您的代码，那么只需将对象替换为您的 guid 变量的 guid 键即可，如下所示：

var guid, block, lot, muni, county, owner, prop_loc;

guid = 'Some unique value';
//code to set the other variable values here...

var menuItem = new MenuItem({
    id: 'basic',
    label: 'Report',
    onClick: lang.hitch(this, function () {
        topic.publish('basicReportWidget/reportFromIdentify', {
            guid : guid
        });
    })
});

否则，如果您出于某种原因无法修改该 menuItem 对象，您可能会通过类似以下内容覆盖 onClick 函数：

menuItem.onClick = function() {
    lang.hitch(this, function () {
        topic.publish('basicReportWidget/reportFromIdentify', {
            guid : guid
        });
    };

Answer 2

正如 Rayon 所说，您可以使用括号表示法来动态设置对象属性。

像这样的东西应该有用...

var guid, block, lot, muni, county, owner, prop_loc;

guid = 'Some unique value';

var menuItem = new MenuItem({
  id: 'basic',
  label: 'Report',
  onClick: lang.hitch(this, function () {
    var obj = {};
    obj[guid] = { 
      block: block,
      lot: lot,
      muni: muni,
      county: county,
      owner: owner,
      prop_loc: prop_loc,
      type: 'basic'
    };
    topic.publish('basicReportWidget/reportFromIdentify', obj);
  })
});

将对象属性键设置为变量值

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dojo

将对象 属性 键设置为变量值

Set object property key to variable value

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dojo

将对象属性键设置为变量值