qq好友分组的cedit实现，通过edit的内容设置分组名，再禁止其编辑-qq friends cedit to achieve sub-groups, through the sub-edit the content of, and then to prohibit its editorial

本源码例程演示了类似于QQ登陆 输入框内 显示要求输入的内容 在点击别处之后展现文字 在点击编辑框之后失去文字。-The source routine demonstration requirements similar to QQ input box displays the contents of the input after you click elsewhere to show text in the edit box after clicking lose text.