zoukankan      html  css  js  c++  java
  • 用js实现屏蔽F12、鼠标右击、鼠标左击

    function window.onhelp(){return false} //屏蔽F1帮助

    document.onkeydown = function(){

      if(window.event && window.event.keyCode == 113) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 114) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 115) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 116) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 117) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 118) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 119) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 120) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 121) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 122) { window.event.keyCode = 505; }

      if(window.event && window.event.keyCode == 123) { alert("F12被禁用"); 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+" 请使用Del键进行字符的删除操作!"); window.event.returnValue=false; }

      if(window.event && window.event.keyCode == 505){   alert(str) window.event.returnValue=false; }

    }

    document.onmousedown=function(oEvent){

      if(window.event) oEvent=window.event;

      if(oEvent.button==2) alert("鼠标右键不可用");

      if(oEvent.button==1) alert("鼠标左键不可用");

    }

  • 相关阅读:
    计算机组成原理实验总结
    Matlab图像匹配问题
    局域网实验
    信号量与共享存储区(操作系统实验三)
    路由器配置及IP设置及ping命令使用
    自我介绍是一门学问
    数据库管理系统的维护与管理
    高数讲课教后感
    node Unexpected token import(node 目前默认不支持es6 的模块 import解决方法有2)
    Cookie/Session机制详解
  • 原文地址:https://www.cnblogs.com/historymemory/p/6419256.html
Copyright © 2011-2022 走看看