字符串常用处理的实例大全(SHAI、MD5加解密等) 包括：HTML转换字符(Reverse)、加密、解密、SHA1加密、MD5加密、HTML反转字符等-Common examples of string processing Daquan (SHAI, MD5 encryption, etc.) including: HTML conversion character (Reverse), encryption, decryption, SHA1 encryption, MD5 encr