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Javascript 从基于“0”的响应中获取值;预期回应“;表达_Javascript - Fatal编程技术网

Javascript 从基于“0”的响应中获取值;预期回应“;表达

Javascript 从基于“0”的响应中获取值;预期回应“;表达,javascript,Javascript,我有一个预期的响应,可以是任何格式,但例如: myfoo={FOO}&mybar={BAR}&mybaz={BAZ} 然后是响应字符串: myfoo=hello&mybar=test&mybaz=yup 所以我的问题是,在JavaScript中,如何使用这两个字符串创建包含值的对象,如下所示: { FOO : 'hello', BAR : 'test', BAZ : 'yup' } 在另一个示例中,预期的字符串可以是一个句子: He

我有一个预期的响应,可以是任何格式,但例如:

myfoo={FOO}&mybar={BAR}&mybaz={BAZ}
然后是响应字符串:

myfoo=hello&mybar=test&mybaz=yup
所以我的问题是,在JavaScript中,如何使用这两个字符串创建包含值的对象,如下所示:

{
    FOO : 'hello',
    BAR : 'test',
    BAZ : 'yup'
}

在另一个示例中,预期的字符串可以是一个句子:

Hello, my name is {NAME} and I am {AGE} years old.
那么实际的反应是:

Hello, my name is Fred and I am 30 years old.
应建立:

{
    NAME : 'Fred',
    AGE : '30'
}

对于那些对我如何解决这个问题感兴趣的人,我使用了以下代码:

var TAG_REGEX = /\{[A-Z\_]+\}/g,
    expected = 'myfoo={FOO}&mybar={BAR}&mybaz={BAZ}',
    response = 'myfoo=hello&mybar=test&mybaz=yup';

var lengthDifference = 0;
expected.replace(TAG_REGEX, function (tag, index) {
    var afterAll = expected.substr(index + tag.length),
        afterToNextTag = afterAll.indexOf('{'),
        after = afterToNextTag >= 0 ? afterAll.substr(0, afterToNextTag) : afterAll.substr(0),
        startSubstr = response.substr(index + lengthDifference),
        endIndex = after.length ? startSubstr.indexOf(after) : startSubstr.length,
        value = startSubstr.substr(0, endIndex);

    lengthDifference += value.length - tag.length;

    setTagValue(tag, value, responseDiv);
});

对于那些对我如何解决这个问题感兴趣的人,我使用了以下代码:

var TAG_REGEX = /\{[A-Z\_]+\}/g,
    expected = 'myfoo={FOO}&mybar={BAR}&mybaz={BAZ}',
    response = 'myfoo=hello&mybar=test&mybaz=yup';

var lengthDifference = 0;
expected.replace(TAG_REGEX, function (tag, index) {
    var afterAll = expected.substr(index + tag.length),
        afterToNextTag = afterAll.indexOf('{'),
        after = afterToNextTag >= 0 ? afterAll.substr(0, afterToNextTag) : afterAll.substr(0),
        startSubstr = response.substr(index + lengthDifference),
        endIndex = after.length ? startSubstr.indexOf(after) : startSubstr.length,
        value = startSubstr.substr(0, endIndex);

    lengthDifference += value.length - tag.length;

    setTagValue(tag, value, responseDiv);
});
这可能会有帮助:这可能会有帮助: