Delphi:string与byte数组的互相转化源代码，使用很方便的一个Delphi小程序，在输入框输入字符串，有两种方法将String转化为Byte数组,同时也有两种方法将Byte数组转化为String字符串。

-Delphi: string and byte array mutual conversion source code, very easy to use a small Delphi program, in the input box to enter a string, there are two ways to String into a Byte array, and also there are two ways to Byte array into a String string.