前端开发总结.doc

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1、前端开发总结前端开发总结-B-:静态(java-outputStream-HTML+CSS+JS-IE):动态(java-outputStream-HTML+CSS+JS-IE):动态HTML基础标签:div/p/table/hn/a-:cellpaddingcellspacingborderwidth=”300|40%”标签语法:描述页面元素:显示Html功能:显示:基础标签收集:CSS选择器:html类IDID类html:内联CSS内部:3种选择器.外部:my.css3种选择器JS事件:dom:document.getElementByID()document.getElementsByN

2、ame()document.getElementsByTagName()var:不严格区分类型/varageage=10;window,history,location,screenalertconfirm/表单提交方式document.forms0.submit().Js验证表单数据-IEsubmit-Socket:.*ServerSocket:SocketC(Browser:IE:FF)Sockets=newSocket(“IP”,8080)in=s.getInputStream()out=.s.getOutputStream()HTTP:FTP:SMTP:POP3HTTP:Request

3、POST|GET/hello.jspHTTP/1.1HEADERS.HEADERS.BODYResponseHTTP/1.1200OKHEADERS.HEADERS.S(Tomcat)ServerSocketss=newServerSocket(8080)ss.accept();inoutBODYTomcat:RequestmsgHttpServletRequestdoGet(request,response)doPost(t,response)/状态追踪Cookis:SessionURL重写:客户端禁止cookieResponse.encodeURL()HttpServletRequest(

4、out)Browser判断URL对照web.xmlifurl=Html-response(out)-write(a.html)-flushifurl=jsp-jspc-a_jsp.java-javac-a_jsp.class-执行servlet流程ifurl=servlet-判断要执行servlet实例是否存在ifnotexistnewServlet()init():1Thread【service（）:n】ifexistThread【service():n】servletdestory():request.getCharacterEncoding(“UTF-8”);request.getPar

5、ameter(”myage”);.newDAO().insert();/jdbcsqlDBnewLogic().do();Response.setCharacterEncoding(“UTF-8”)/中文/回应Response.getWriter().print(“”);/资源访问Request.getRequestDispatcher(“a.jsp”).forward(request,response);Request.getRequestDispatcher(“a.jsp”).include(request,response);Response.sendRedirect(“”);/scop

6、epage/request/session.applicationJsp标签用法:表达式/脚本/表明EL=JSTL=脚本IEservlet(准备数据:daologic:scope)-forward-?.jsp-IE(能过滤非法字符)doGet()newDAO()Class.forName(“”);Connectionconn;stmt=conn.createStatement();pstmt=conn.preparedStatement(select*fromawhereid=?);int=stmt.executeUpdate(“insert/update/delete”);rs=stmt.e

7、xecuteQuery(“select”)while(rs.next()re.getType(index|colName);/sql注入/ACID(意义)Conn.setAutoCommit(false);.Cmit();Conn.rollback();/DCL:commitrollbackER=关系=NF=DDL(script)=DBDML:selectinsertupdatedeleteselect:子查询、关联、连接function-procedure:PL/SQLimpexp扩展阅读：WEB前端开发经验总结WEB前端开发经验总结发布时间：2022-04-2022:05:33第 3 页 共 3 页