Url-Editor

编辑 url 用

Від 10.05.2020. Дивіться остання версія.

Цей скрипт не слід встановлювати безпосередньо. Це - бібліотека для інших скриптів для включення в мета директиву // @require https://update.greasyfork.org/scripts/402991/803587/Url-Editor.js

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(У мене вже є менеджер скриптів, дайте мені встановити його!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Url-Editor
// @namespace    https://greasyfork.org/users/390742
// @updateURL    https://github.com/fjqingyou/url_editor/raw/master/src/urlEditor.js
// @version      1.0.3
// @include      *
// @description  编辑 url 用
// @author       fjqingyou
// @match        http://*/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

/**
 * Url 编辑模块
 */
UrlEditor = {};

/**
 * 获取 url 参数
 * @param {*} url 
 * @param {*} variable 
 * @returns 取得目标参数的值,不存在时返回 null
 */
UrlEditor.getUrlParam = function(url, variable){
    var result = null;
    var nIndexQuestionMark = url.indexOf('?');
    if(nIndexQuestionMark){//如果存在参数
        var query = url.substring(nIndexQuestionMark + 1);
        var vars = query.split("&");
        for (var i = 0; i < vars.length; i++) {
            var pair = vars[i].split("=");
            if(pair[0] === variable){//如果找到目标了
                result = pair[1] || null;//取值,如果值不存在,返回null
                break;
            }
        }
    }
    return result;
};

/**
 * 设置 url 参数
 * @param {*} url 
 * @param {*} name 
 * @param {*} value 
 * @returns 返回变更后的 url
 */
UrlEditor.setUrlParam = function(url, name, value){
    var result;
    
    var nIndexQuestionMark = url.indexOf('?');
    if(!nIndexQuestionMark){//如果目标url上面还未有这个属性
        result += '?' + name + '=' + value;
    }else{//如果url上面已经存在了这个参数
        var nIndex = nIndexQuestionMark + 1;
        result = url.substring(0, nIndex);
        var query = url.substring(nIndex);

        var needAppend = true;
        var vars = query.split('&');
        for (var i = 0; i < vars.length; i++) {
            var pair = vars[i].split('=');
            var key = pair[0];
            var v = pair[1];

            if(i > 0){
                result += "&";
            }
            result += key;
            result += '=';
            
            if(key !== name){//如果不是目标参数
                result += v;//保持原有值
            }else{//如果是目标参数
                result += value;//修改值
                needAppend = false;//标记为已经修改。不需要末尾填充了
            }
        }

        if(needAppend){//如果需要末尾填充
            result += '&' + name + '=' + value;
        }
    }
    return result;
};