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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| 
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| export default queryParams;
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