URL特殊字符转义


URL中一些字符的特殊含义,基本编码规则如下: 

1、空格换成加号(+) 
2、正斜杠(/)分隔目录和子目录 
3、问号(?)分隔URL和查询 
4、百分号(%)制定特殊字符 
5、#号指定书签 
6、&号分隔参数 

如果需要在URL中用到,需要将这些特殊字符换成相应的十六进制的值 
字符                                    URL编码值 
            空格                                        %20 
              "                                          %22 
              #                                          %23 
             %                                         %25 
             &                                          %26 
              (                                          %28 
             )                                           %29 
            +                              %2B 
             ,                                           %2C 
             /                                           %2F 
             :                                           %3A 
             ;                                           %3B 
            <                                           %3C 
            =                                           %3D 
            >                                           %3E 
             ?                                           %3F 
            @                                           %4o 
             \                                           %5C 
             |                                           %7C

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