/** * javascript实现PHP字典排序 * @param {Object} vm 当前this * @param {Array} inputArr 规定要进行排序的数组 * @param {String} sort_flags 规定如何排列数组的元素/项目 */export function ksort(vm, inputArr, sort_flags) { // discuss at: http://phpjs.org/functions/ksort/ // original by: GeekFG (http://geekfg.blogspot.com) // improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net) // improved by: Brett Zamir (http://brett-zamir.me) // note: The examples are correct, this is a new way // note: This function deviates from PHP in returning a copy of the array instead // note: of acting by reference and returning true; this was necessary because // note: IE does not allow deleting and re-adding of properties without caching // note: of property position; you can set the ini of "phpjs.strictForIn" to true to // note: get the PHP behavior, but use this only if you are in an environment // note: such as Firefox extensions where for-in iteration order is fixed and true // note: property deletion is supported. Note that we intend to implement the PHP // note: behavior by default if IE ever does allow it; only gives shallow copy since // note: is by reference in PHP anyways // note: Since JS objects' keys are always strings, and (the // note: default) SORT_REGULAR flag distinguishes by key type, // note: if the content is a numeric string, we treat the // note: "original type" as numeric. // depends on: i18n_loc_get_default // depends on: strnatcmp // example 1: data = {d: 'lemon', a: 'orange', b: 'banana', c: 'apple'}; // example 1: data = ksort(data); // example 1: $result = data // returns 1: {a: 'orange', b: 'banana', c: 'apple', d: 'lemon'} // example 2: ini_set('phpjs.strictForIn', true); // example 2: data = {2: 'van', 3: 'Zonneveld', 1: 'Kevin'}; // example 2: ksort(data); // example 2: $result = data // returns 2: {1: 'Kevin', 2: 'van', 3: 'Zonneveld'} var tmp_arr = {}, keys = [], sorter, i, k, that = vm, strictForIn = false, populateArr = {}; switch (sort_flags) { case 'SORT_STRING': // compare items as strings sorter = function (a, b) { return that.strnatcmp(a, b); }; break; case 'SORT_LOCALE_STRING': // compare items as strings, original by the current locale (set with i18n_loc_set_default() as of PHP6) var loc = vm.i18n_loc_get_default(); sorter = vm.php_js.i18nLocales[loc].sorting; break; case 'SORT_NUMERIC': // compare items numerically sorter = function (a, b) { return ((a + 0) - (b + 0)); }; break; // case 'SORT_REGULAR': // compare items normally (don't change types) default: sorter = function (a, b) { var aFloat = parseFloat(a), bFloat = parseFloat(b), aNumeric = aFloat + '' === a, bNumeric = bFloat + '' === b; if (aNumeric && bNumeric) { return aFloat > bFloat ? 1 : aFloat < bFloat ? -1 : 0; } else if (aNumeric && !bNumeric) { return 1; } else if (!aNumeric && bNumeric) { return -1; } return a > b ? 1 : a < b ? -1 : 0; }; break; } // Make a list of key names for (k in inputArr) { if (inputArr.hasOwnProperty(k)) { keys.push(k); } } keys.sort(sorter); // BEGIN REDUNDANT vm.php_js = vm.php_js || {}; vm.php_js.ini = vm.php_js.ini || {}; // END REDUNDANT strictForIn = vm.php_js.ini['phpjs.strictForIn'] && vm.php_js.ini['phpjs.strictForIn'].local_value && vm.php_js .ini['phpjs.strictForIn'].local_value !== 'off'; populateArr = strictForIn ? inputArr : populateArr; // Rebuild array with sorted key names for (i = 0; i < keys.length; i++) { k = keys[i]; tmp_arr[k] = inputArr[k]; if (strictForIn) { delete inputArr[k]; } } for (i in tmp_arr) { if (tmp_arr.hasOwnProperty(i)) { populateArr[i] = tmp_arr[i]; } } return strictForIn || populateArr;}
上面写好字典排序方法ksort，然后进行调用
let aa = ksort( this, { 'app_id': '10000', 'time_stamp':'1493449657', 'nonce_str':'20e3408a79', 'key1':'腾讯AI开放平台', 'key2':'示例仅供参考', 'sign':'' })
最后，字典排序后的顺序为：