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 cursor is parked in the text box, etc. The final word over 30.