javascript 的 parse_str

javascript 的 parse_str

這用法實在是太酷了@_@,有沒有這個必要就要依自己喜好選擇了

[ 用法 ] parse_str(字串,接收變數);

在PHP裡parse_str是將a=1&b=2&c=3格式的字串轉成陣列
相對的如果在javascript使用的話就很酷了
例:
<?
$str="a=1&b=2&c=3";
parse_str($str,$str_array);
print_r($str_array);
//顯示結果等於 array([a]=>1,[b]=>2,[c]=>3)
?>

提供函式網站為 PHPJS 點選連結前往

[函式如下]

function parse_str (str, array){
// Parses GET/POST/COOKIE data and sets global variables
//
// version: 909.322
// discuss at: http://phpjs.org/functions/parse_str // + original by: Cagri Ekin
// + improved by: Michael White (http://getsprink.com)
// + tweaked by: Jack
// + bugfixed by: Onno Marsman
// + reimplemented by: stag019 // + bugfixed by: Brett Zamir (http://brett-zamir.me)
// + bugfixed by: stag019
// - depends on: urldecode
// % note 1: When no argument is specified, will put variables in global scope.
// * example 1: var arr = {}; // * example 1: parse_str('first=foo&second=bar', arr);
// * results 1: arr == { first: 'foo', second: 'bar' }
// * example 2: var arr = {};
// * example 2: parse_str('str_a=Jack+and+Jill+didn%27t+see+the+well.', arr);
// * results 2: arr == { str_a: "Jack and Jill didn't see the well." } var glue1 = '=', glue2 = '&', array2 = String(str).split(glue2),
i, j, chr, tmp, key, value, bracket, keys, evalStr, that = this,
fixStr = function (str) {
return that.urldecode(str).replace(/([\\"'])/g, '\\$1').replace(/\n/g, '\\n').replace(/\r/g, '\\r');
};
if (!array) {
array = this.window;
}
for (i = 0; i < array2.length; i++) {
tmp = array2[i].split(glue1);
if (tmp.length < 2) {
tmp = [tmp, ''];
} key = fixStr(tmp[0]);
value = fixStr(tmp[1]);
while (key.charAt(0) === ' ') {
key = key.substr(1);
} if (key.indexOf('\0') !== -1) {
key = key.substr(0, key.indexOf('\0'));
}
if (key && key.charAt(0) !== '[') {
keys = []; bracket = 0;
for (j = 0; j < key.length; j++) {
if (key.charAt(j) === '[' && !bracket) {
bracket = j + 1;
} else if (key.charAt(j) === ']') {
if (bracket) {
if (!keys.length) {
keys.push(key.substr(0, bracket - 1));
} keys.push(key.substr(bracket, j - bracket));
bracket = 0;
if (key.charAt(j + 1) !== '[') {
break;
} }
}
}
if (!keys.length) {
keys = [key]; }
for (j = 0; j < keys[0].length; j++) {
chr = keys[0].charAt(j);
if (chr === ' ' || chr === '.' || chr === '[') {
keys[0] = keys[0].substr(0, j) + '_' + keys[0].substr(j + 1); }
if (chr === '[') {
break;
}
} evalStr = 'array';
for (j = 0; j < keys.length; j++) {
key = keys[j];
if ((key !== '' && key !== ' ') || j === 0) {
key = "'" + key + "'"; }
else {
key = eval(evalStr + '.push([]);') - 1;
}
evalStr += '[' + key + ']'; if (j !== keys.length - 1 && eval('typeof ' + evalStr) === 'undefined') {
eval(evalStr + ' = [];');
}
}
evalStr += " = '" + value + "';\n"; eval(evalStr);
}
}
}