Exception in thread "main" java.lang.IllegalArgumentException: URLDecoder: Illegal hex characters in escape (%) pattern - For input string: "左右"
at java.net.URLDecoder.decode

%引起

%会转换成%25

 

解决方案:

 

 

    public static String replacer(String str) { 
        String data = str; 
        try { 
            data = data.replaceAll("%(?![0-9a-fA-F]{2})", "%25"); 
            data = data.replaceAll("\\+", "%2B"); 
            data = URLDecoder.decode(data, "utf-8"); 
        } catch (Exception e) { 
            e.printStackTrace(); 
        } 
        return data; 
    }

 

 

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