https://blog.youkuaiyun.com/Lincan__zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/Lincan__/article/details/143952600https://blog.youkuaiyun.com/Lincan__/article/details/143952600Lincan__Thu, 21 Nov 2024 19:15:59 +08001.面向整型，浮点型，以及字符类型的数据。2.面向字符串类型数据。]]>