日期:2014-05-16 浏览次数:20379 次
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <TITLE> New Document </TITLE> <META NAME="Generator" CONTENT="EditPlus"> <META NAME="Author" CONTENT=""> <META NAME="Keywords" CONTENT=""> <META NAME="Description" CONTENT=""> <script> /*** * add by 张行 2010-12-16 * 面向对象的JavaScript * */ function $(id) { return document.getElementById(id).value; } // 使用立即方法利用闭包创建私有静态成员方法 var Book = (function () { function checkIsbn(isbn, msg) // 私有静态成员方法 校验方法 { if (msg === "ok") { if ($(isbn) === "") { return "isbn不能为空!"; } } return msg; } function checkName(name, msg) { if (msg === "ok") { if ($(name) !== "zxBook") { return "书名必须为zxBook!"; } } return msg; } // 使用闭包特性 return function () { // 私有属性 var isbn,name,content,pageNum,msg="ok"; /************* 特权set方法***************/ this.setIsbn = function (strIsbn) { msg = checkIsbn(strIsbn, msg) if (msg === "ok") { isbn = $(strIsbn); } }; this.setName = function (strName) { msg = checkName(strName, msg) if (msg === "ok") { name = $(strName); } }; this.setContent = function (strContent) { content = $(strContent) || "nullContent"; }; this.setPageNum = function (strPageNum) { pageNum = $(strPageNum) || "0"; }; /************* 特权get方法***************/ this.getIsbn = function () { return isbn; }; this.getName = function () { return name; } this.getContent = function () { return content; } this.getPageNum = function () { return pageNum; } this.getMsg = function() { return msg; } } })() ; // 构建查询串 Book.prototype.createQryString = function (isbn, name, content, pageNum) { var str = "?" + isbn + "=" + this.getIsbn() + "&" + name + "=" + this.getName() + "&" + content + "=" + this.getContent() + "&" + pageNum + "=" + this.getPageNum(); return str; } var bookService = { "add" : function () { var book = new Book(); book.setIsbn('isbn'); book.setName('name'); book.setContent('content'); book.setPageNum('pageNum'); if (book.getMsg() != "ok") { alert(book.getMsg()); return false; } else { alert(book.createQryString('ISBN','NAME','CONTENT','NUM')); /**new Ajax.Request('${request.contextPath}/hehe.action' + book.createQryString('ISBN','NAME','CONTENT','NUM'), { method: 'post', onSuccess: function(transport) { alert(transport.responseText); } });**/ } }, "del" : function () {}, "update" : function (){}, "search" : function (){} } function ready() { document.getElementById('submitBtn').attachEvent('onclick', bookService.add); } </script> </HEAD> <BODY onload='ready();'> ISBN : <input type="text" name="isbn"/> 书名: <input type="text" name="name"/> 内容: <input type="text" name="content"/> 页数: <input type="text" name="pageNum"/> <input type="button" name="submitBtn" value=" 提 交 "> </BODY> </HTML>
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