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59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
/**
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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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