| guangchao.xu | 070005a | 2020-12-07 09:56:40 +0800 | [diff] [blame] | 1 | /** |
| 2 | * 对象转url参数 |
| 3 | * @param {*} data,对象 |
| 4 | * @param {*} isPrefix,是否自动加上"?" |
| 5 | */ |
| 6 | function queryParams(data = {}, isPrefix = true, arrayFormat = 'brackets') { |
| 7 | let prefix = isPrefix ? '?' : '' |
| 8 | let _result = [] |
| 9 | if (['indices', 'brackets', 'repeat', 'comma'].indexOf(arrayFormat) == -1) arrayFormat = 'brackets'; |
| 10 | for (let key in data) { |
| 11 | let value = data[key] |
| 12 | // 去掉为空的参数 |
| 13 | if (['', undefined, null].indexOf(value) >= 0) { |
| 14 | continue; |
| 15 | } |
| 16 | // 如果值为数组，另行处理 |
| 17 | if (value.constructor === Array) { |
| 18 | // e.g. {ids: [1, 2, 3]} |
| 19 | switch (arrayFormat) { |
| 20 | case 'indices': |
| 21 | // 结果: ids[0]=1&ids[1]=2&ids[2]=3 |
| 22 | for (let i = 0; i < value.length; i++) { |
| 23 | _result.push(key + '[' + i + ']=' + value[i]) |
| 24 | } |
| 25 | break; |
| 26 | case 'brackets': |
| 27 | // 结果: ids[]=1&ids[]=2&ids[]=3 |
| 28 | value.forEach(_value => { |
| 29 | _result.push(key + '[]=' + _value) |
| 30 | }) |
| 31 | break; |
| 32 | case 'repeat': |
| 33 | // 结果: ids=1&ids=2&ids=3 |
| 34 | value.forEach(_value => { |
| 35 | _result.push(key + '=' + _value) |
| 36 | }) |
| 37 | break; |
| 38 | case 'comma': |
| 39 | // 结果: ids=1,2,3 |
| 40 | let commaStr = ""; |
| 41 | value.forEach(_value => { |
| 42 | commaStr += (commaStr ? "," : "") + _value; |
| 43 | }) |
| 44 | _result.push(key + '=' + commaStr) |
| 45 | break; |
| 46 | default: |
| 47 | value.forEach(_value => { |
| 48 | _result.push(key + '[]=' + _value) |
| 49 | }) |
| 50 | } |
| 51 | } else { |
| 52 | _result.push(key + '=' + value) |
| 53 | } |
| 54 | } |
| 55 | return _result.length ? prefix + _result.join('&') : '' |
| 56 | } |
| 57 | |
| 58 | export default queryParams; |