Here you can find the source of urlEncode(String url)
public static String urlEncode(String url)
//package com.java2s; /*/*from w w w . j a va 2 s.co m*/ * Copyright 1999-2101 Alibaba Group. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.io.UnsupportedEncodingException; import java.net.URLEncoder; public class Main { public static String urlEncode(String url) { if (url == null) return null; try { return URLEncoder.encode(url, "UTF-8"); } catch (UnsupportedEncodingException e) { e.printStackTrace(); //default return ""; } } }