一个简单而实用的加密函数，可放入主程序中任意调用。使用时可将需要加密的口令字符作为参数调用该函数，返回的就是加密后的口令。-A simple and practical encryption function, any call can be placed in the main program. Can use the encrypted password characters will need to call the function as a parameter to return the password is encrypted.