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58 lines
1.5 KiB
58 lines
1.5 KiB
/** |
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* 对象转url参数 |
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* @param {*} data,对象 |
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* @param {*} isPrefix,是否自动加上"?" |
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*/ |
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function queryParams(data = {}, isPrefix = true, arrayFormat = 'brackets') { |
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let prefix = isPrefix ? '?' : '' |
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let _result = [] |
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if (['indices', 'brackets', 'repeat', 'comma'].indexOf(arrayFormat) == -1) arrayFormat = 'brackets'; |
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for (let key in data) { |
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let value = data[key] |
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// 去掉为空的参数 |
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if (['', undefined, null].indexOf(value) >= 0) { |
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continue; |
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} |
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// 如果值为数组，另行处理 |
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if (value.constructor === Array) { |
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// e.g. {ids: [1, 2, 3]} |
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switch (arrayFormat) { |
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case 'indices': |
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// 结果: ids[0]=1&ids[1]=2&ids[2]=3 |
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for (let i = 0; i < value.length; i++) { |
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_result.push(key + '[' + i + ']=' + value[i]) |
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} |
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break; |
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case 'brackets': |
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// 结果: ids[]=1&ids[]=2&ids[]=3 |
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value.forEach(_value => { |
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_result.push(key + '[]=' + _value) |
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}) |
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break; |
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case 'repeat': |
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// 结果: ids=1&ids=2&ids=3 |
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value.forEach(_value => { |
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_result.push(key + '=' + _value) |
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}) |
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break; |
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case 'comma': |
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// 结果: ids=1,2,3 |
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let commaStr = ""; |
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value.forEach(_value => { |
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commaStr += (commaStr ? "," : "") + _value; |
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}) |
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_result.push(key + '=' + commaStr) |
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break; |
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default: |
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value.forEach(_value => { |
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_result.push(key + '[]=' + _value) |
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}) |
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} |
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} else { |
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_result.push(key + '=' + value) |
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} |
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} |
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return _result.length ? prefix + _result.join('&') : '' |
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} |
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export default queryParams;
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