cn.acyou.leo.framework.util.UrlUtil Maven / Gradle / Ivy
package cn.acyou.leo.framework.util;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.apache.commons.lang3.StringUtils;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author youfang
* @version [1.0.0, 2020-4-6 下午 06:20]
**/
public class UrlUtil {
public static final String SLASH = "\\";
/**
* 从URL中提取参数Map
*
* @param url 路径
* @return 参数Map
*/
public static String getQueryString(String url, String key) {
Map paramsMap = getQueryString(url);
return paramsMap.get(key) != null ? paramsMap.get(key) : "";
}
/**
* 获取JSONP JSON
*
* @param jsonpStr jsonpStr
* @return JSON
*/
public static String getJsonPJsonStr(String jsonpStr) {
int startIndex = jsonpStr.indexOf("(");
int endIndex = jsonpStr.lastIndexOf(")");
return jsonpStr.substring(startIndex + 1, endIndex);
}
/**
* 获取指定节点的 Str
*
* @param jsonStr json Str
* @param key 关键
* @return {@link String}
*/
public static String getAppointJsonStr(String jsonStr, String key) {
JSONObject obj = JSONObject.parseObject(jsonStr);
Object o = obj.get(key);
if (o != null) {
return JSON.toJSONString(o);
} else {
return "";
}
}
/**
* 从URL中提取参数Map
*
* @param url 路径
* @return 参数Map
*/
public static Map getQueryString(String url) {
Map map = new HashMap<>();
int start = url.indexOf("?");
if (start >= 0) {
String str = url.substring(start + 1);
String[] paramsArr = str.split("&");
for (String param : paramsArr) {
String[] temp = param.split("=");
map.put(temp[0], temp[1]);
}
}
return map;
}
/**
* 从URL中提取Path参数
*
* @param url 路径
* @return 参数Map
*/
public static String getQueryStringFromPath(String url) {
int start = url.lastIndexOf("/") + 1;
if (url.lastIndexOf("?") == -1) {
return url.substring(start);
}
return url.substring(start, url.lastIndexOf("?"));
}
/**
* 替换URL中的参数 URL 参数替换
*
* String url = "https://sou.zhaopin.com/?jl=635&kw=编导&kt=3";
* Map replaceMap = new HashMap<>();
* replaceMap.put("kt", "8");
* replaceMap.put("jl", "ojbk");
* System.out.println(replaceUrlParams(url, replaceMap));// -> https://sou.zhaopin.com/?jl=ojbk&kw=编导&kt=8
*
*
* @param url 路径
* @return newUrl
*/
public static String replaceUrlParams(String url, Map newParams) {
String newUrl = url;
for (Map.Entry entry : newParams.entrySet()) {
Pattern pattern = Pattern.compile("([?&])" + entry.getKey() + "=([^&]+)");
Matcher matcher = pattern.matcher(newUrl);
if (matcher.find()) {
String group = matcher.group(0);
if (group.startsWith("?")) {
newUrl = matcher.replaceAll("?" + entry.getKey() + "=" + entry.getValue());
}
if (group.startsWith("&")) {
newUrl = matcher.replaceAll("&" + entry.getKey() + "=" + entry.getValue());
}
}
}
return newUrl;
}
/**
* 替换URL中的参数 URL 参数替换
* 注意：参数必须为偶数 第一个为key,第二个为value
*
*
* String url = "https://sou.zhaopin.com/?jl=635&kw=编导&kt=3";
* System.out.println(replaceUrlParams(url, "kt","GGG"));// -> https://sou.zhaopin.com/?jl=635&kw=编导&kt=GGG
*
*
* @param url 路径
* @return newUrl
*/
public static String replaceUrlParams(String url, String... params) {
Map newParamsMap = new HashMap<>();
int length = params.length;
if (length == 0) {
return url;
}
if (length % 2 != 0) {
throw new IllegalArgumentException("参数错误，不能为奇数");
}
for (int i = 0; i < params.length; i = i + 2) {
newParamsMap.put(params[i], params[i + 1]);
}
return replaceUrlParams(url, newParamsMap);
}
/**
* 为URL追加参数
*
* append("https://sou.zhaopin.com/access_token=22222&", "kt", "GGG", "sign", "1111111111")
* -> https://sou.zhaopin.com/access_token=22222&kt=GGG&sign=1111111111
*
* @param url url
* @param params 参数个数
* @return {@link String}
*/
public static String append(String url, String... params) {
List paramList = new ArrayList<>();
int length = params.length;
if (length == 0) {
return url;
}
if (length % 2 != 0) {
throw new IllegalArgumentException("参数错误，不能为奇数");
}
for (int i = 0; i < params.length; i = i + 2) {
paramList.add("&" + params[i] + "=" + params[i + 1]);
}
if (url.endsWith("&")){
url = url.substring(0, url.length() - 1);
}
if (!url.contains("?")){
url = url.concat("?");
}
return url + StringUtils.join(paramList, "");
}
/**
* 为URL追加参数
*
* @param url url
* @param params 参数个数
* @return {@link String}
*/
public static String append(String url, Map params){
for (Map.Entry entry : params.entrySet()) {
url = append(url, entry.getKey(), entry.getValue().toString());
}
return url;
}
/**
* 获取网址的path
* https://sale.vmall.com/huaweizone.html?cid=10618
* -> /huaweizone.html
* @param url 网址
* @return pathname
*/
public static String getPathName(String url) {
try {
URL url1 = new URL(url);
return url1.getPath();
} catch (MalformedURLException e) {
return "";
}
}
/**
* 获取网址的path
* https://sale.vmall.com/huaweizone.html?cid=10618
* -> cid=10618
* @param url 网址
* @return pathname
*/
public static String getSearch(String url) {
try {
URL url1 = new URL(url);
return url1.getQuery();
} catch (MalformedURLException e) {
return "";
}
}
public static void main(String[] args) {
String url = "https://sou.zhaopin.com/?jl=635&kw=编导&kt=3";
System.out.println(replaceUrlParams(url, "kt", "GGG"));
}
}
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