屏蔽F12 屏蔽复制 屏蔽剪切
- <!-- 屏蔽F12 -->
- <script>
- document.onkeydown = function () {
- if (window.event && window.event.keyCode == 123) {
- alert("按错或者非法操作!苦海无边,回头是岸!");
- event.keyCode = 0;
- event.returnValue = false;
- }
- if (window.event && window.event.keyCode == 13) {
- window.event.keyCode = 505;
- }
- if (window.event && window.event.keyCode == 8) {
- alert(str + "\n请使用Del键进行字符的删除操作!");
- window.event.returnValue = false;
- }
- }
- </script>
- <!-- 屏蔽F12 -->
- <!-- 屏蔽复制 -->
- <script>
- document.oncopy = function (event) {
- if (window.event) {
- event = window.event;
- }
- try {
- var the = event.srcElement;
- if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")) {
- return false;
- }
- return true;
- } catch (e) {
- return false;
- }
- }
- </script>
- <!-- 屏蔽复制 -->
- <!-- 屏蔽剪切 -->
- <script>
- document.oncut = function (event) {
- if (window.event) {
- event = window.event;
- }
- try {
- var the = event.srcElement;
- if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")) {
- return false;
- }
- return true;
- } catch (e) {
- return false;
- }
- }
- </script>
- <!-- 屏蔽剪切 -->