包括屏蔽右键、防复制、不准粘贴、关闭输入法、网页不能另存为、检查来访这是否用代理、取得控件的绝对位置、光标是停在文本框文字的最后等等30多个。-including shielding right, anti-copying, pasting not closed input method can separate website to check whether this visit with agents, made the absolute position control, the cur