javascript實(shí)現(xiàn)PHP字典排序ksort

happyhuangjinjin 發(fā)布于2019-07-01 12:42 / 1835人閱讀

摘要：實(shí)現(xiàn)字典排序當(dāng)前規(guī)定要進(jìn)行排序的數(shù)組規(guī)定如何排列數(shù)組的元素項(xiàng)目上面寫(xiě)好字典排序方法，然后進(jìn)行調(diào)用騰訊開(kāi)放平臺(tái)示例僅供參考最后，字典排序后的順序?yàn)?/p>

/**
 * javascript實(shí)現(xiàn)PHP字典排序
 * @param {Object} vm 當(dāng)前this
 * @param {Array} inputArr 規(guī)定要進(jìn)行排序的數(shù)組
 * @param {String} sort_flags 規(guī)定如何排列數(shù)組的元素/項(xiàng)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;
}

上面寫(xiě)好字典排序方法ksort，然后進(jìn)行調(diào)用

let aa = ksort(
  this,
  {
    "app_id": "10000",
    "time_stamp":"1493449657",
    "nonce_str":"20e3408a79",
    "key1":"騰訊AI開(kāi)放平臺(tái)",
    "key2":"示例僅供參考",
    "sign":""
  }
)

最后，字典排序后的順序?yàn)椋?/pre>

GPU云服務(wù)器云服務(wù)器 php數(shù)組字典排序 php的字典排序函數(shù) 用php實(shí)現(xiàn)插入排序 php:ksort

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