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根据模板及表元数据生成jsp列表页

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根据模板及表元数据生成jsp列表页，模板list_jsp.ftl文件。，生成jsp列表页。，注意替换空格。

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（1），模板list_jsp.ftl文件

<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>

<%
String childPath = request.getContextPath();
String basePath = request.getScheme()+"://"
	+request.getServerName()+":"+request.getServerPort()+ childPath +"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title></title>
	<%@ include file="/pub/scripts.jsp"%>

    <script type="text/javascript">
    
        function gotoPageSub(){
            var varCurPageIdx = $("#curPageIdx").val();
            varCurPageIdx = parseInt(varCurPageIdx) + 1;
            var varPages = $("#pages").val();
            if(parseInt(varCurPageIdx) > parseInt(varPages) ) {
                // 没有下一页按钮置灰
                $("#pageSub").attr("disabled", true);
                $("#pageSub").remove("href");
			} else {
                $("#curPageIdx").val(varCurPageIdx);
                submit_seach();
			}

        }

        function gotoPageAdd(){
            var varCurPageIdx = $("#curPageIdx").val();
            varCurPageIdx = parseInt(varCurPageIdx) - 1;
            var varPages = $("#pages").val();
            if(parseInt(varCurPageIdx) < 1) {
                // 没有上一页按钮置灰
                $("#pageSub").attr("disabled", true);
                $("#pageSub").remove("href");
            } else {
                $("#curPageIdx").val(varCurPageIdx);
                submit_seach();
            }

        }

		function submit_seach_real() {
            $("#curPageIdx").val( 1 );
            $("#serachForm").submit();
        }

        function submit_seach() {
            $("#serachForm").submit();
        }

        function testT00_userModifyJs() {

            var checkNum = 0;
            var tid = 0;
            $("input[name='tidChx']").each(function(){

				if($(this).attr("checked")) {
				    checkNum = parseInt(checkNum) + 1;
				    tid = $(this).val();
				}
			});
            if(checkNum > 1) {
                alert("只能选中一条数据进行修改！");
                return false;
			}
            else if(checkNum == 0) {
                alert("请选择其中的一条数据进行修改！");
                return false;
			} else {
                $("#btn<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>Modify").attr("href", "<%=childPath %>/<#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>Conter/get<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>?tid="+ tid);
                return true;
			}
		}

        function testT00_userDispJs() {

            var checkNum = 0;
            var tid = 0;
            $("input[name='tidChx']").each(function(){

                if($(this).attr("checked")) {
                    checkNum = parseInt(checkNum) + 1;
                    tid = $(this).val();
                }
            });
            if(checkNum > 1) {
                alert("只能选中一条数据进行查看！");
                return false;
            }
            else if(checkNum == 0) {
                alert("请选择其中的一条数据进行查看！");
                return false;
            } else {
                $("#btn<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>Disp").attr("href", "<%=childPath %>/<#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>Conter/get<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>Disp?tid="+ tid);
                return true;
            }
        }

        function testT00_userDelJs() {

            var checkNum = 0;
            var tid = 0;
            $("input[name='tidChx']").each(function(){

                if($(this).attr("checked")) {
                    checkNum = parseInt(checkNum) + 1;
                    tid = $(this).val();
                }
            });
            if(checkNum > 1) {
                alert("只能选中一条数据进行删除！");
                return false;
            }
            else if(checkNum == 0) {
                alert("请选择其中的一条数据进行删除！");
                return false;
            } else {
                $("#btn<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>Del").attr("href", "<%=childPath %>/<#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>Conter/<#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>Del?tid="+ tid);
                return true;
            }
        }
    </script>
    
  </head>
  <body>
  		
		<!-- 标题区域 -->
		<div class="tleBg">
			<div class="title">
				<span class="txt"> <em></em><#list mapDataTableComment as listItmCom > ${listItmCom.columnComment} </#list>- 列表
				</span> <a href="javascript:;" class="search-hide"></a>
			</div>
			<div class="clr"></div>
		</div>
  		
  		<!-- 查询维度区域 -->
		<div class="t_list" id="searchtable">
			<form name="serachForm" id="serachForm" action="<%=childPath %>/<#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>Conter/query_<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>List" method="post">
				<input type="hidden" id="curPageIdx" name="curPageIdx" value="美元符左大括<#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>Dto.curPageIdx右大括" />
				<input type="hidden" id="pages" name="pages" value="美元符左大括<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>Dto.pages右大括" />

				<table border="0" cellspacing="0" cellpadding="0" class="t_list_1">
					<tbody>
						<tr>
							<td class="text">
								名称：
							</td>
							<td>
								<input type="text" id="name_" name="name_" class="inputStyle" value="美元符左大括testT00_userDto.name_右大括" />
							</td>
							<td>
								年龄：
							</td>
							<td>
								<input type="text" id="age" name="age" class="inputStyle" value="美元符左大括testT00_userDto.age右大括" />
							</td>
						</tr>

						
						自己选择加入查询条件
							<#list mapDataList as listItm >
								${listItm.columnComment}： 元素ID  ${listItm.columnName}
							</#list>
						
						
						<tr>
							<td class="text">
								 
							</td>
							<td>
								 
							</td>
							<td>
								 
							</td>
							<td>
								<input type="button" id="btn_search" value="查 询" class="t_button_gray" onclick="submit_seach_real()" />
							</td>
						</tr>

					</tbody>
				</table>
			</form>
		</div>

  		<div class="t_title">
	  		<a href="<%=childPath %>/<#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>Conter/<#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>Add" class="btn-def" id="btn<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>Add">新 增</a>
			<a href="#" class="btn-def" id="btn<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>Modify" onclick="return <#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>ModifyJs()">修 改</a>
			<a href="#" class="btn-def" id="btn<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>Del" onclick="return <#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>DelJs()">删 除</a>
			<a href="#" class="btn-def" id="btn<#list mapDataTableComment as listItmCom > ${listItmCom.upperColumnName} </#list>Disp" onclick="return <#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>DispJs()">查 看</a>
  		</div>
  		
  		<div class="t-table-Frame">
			<table width="100%" border="0" cellspacing="0" cellpadding="0" class="t-table">
				<thead>
						<tr class="titleBg">
						
						<#list mapDataList as listItm >
								<td>${listItm.columnComment}</td>
						</#list>
							
		  			</tr>
		  		</thead>
		  		<tbody>
			  		<c:forEach items="美元符左大括listTestT00_userDto}" var="testT00_user" varStatus="k">
					<tr>
						<td>
						 	<input type="checkbox" name="tidChx" value="美元符左大括testT00_user.tid}" title="美元符左大括testT00_user.tid}">
				      		<a href="#">
				      			美元符左大括testT00_user.tid}
				      		</a>
						</td>
					 	
						
						<#list mapDataList as listItm >
								
								<td>美元符左大括<#list mapDataTableComment as listItmCom > ${listItmCom.columnName} </#list>.${listItm.columnName}</td>
						</#list>

						
					</tr>
					</c:forEach>
					
					<tr>
						<td colspan="3" style="text-align: left">

							                
							共美元符左大括testT00_userDto.pages}页， 当前第美元符左大括testT00_userDto.curPageIdx}页 <a onclick="gotoPageAdd()" href="#" id="pageAdd">上一页</a> <a onclick="gotoPageSub()" id="pageSub" href="#">下一页</a>
						
						</td>
					</tr>
					
		  		</tbody>
	  		</table>
  		</div>
  </body>
</html>

欢迎大家来到IT世界,在知识的湖畔探索吧!

（2），生成jsp列表页

欢迎大家来到IT世界,在知识的湖畔探索吧!public class TestCls {

    public static void main(String[] args) throws Exception {
        TestCls testCls = new TestCls();
        String testT00_po = "testT00_user";
        String generFileName = testT00_po + "List.jsp";
        testCls.outTemplate(testT00_po, "用户数据"
                , generFileName, "list_jsp.ftl" );

        System.out.println("执行成功！");
    }

    // 输出到模板
    private void outTemplate(String entryInfoPoName, String tableComment
            , String templateFileName , String templFileName ) throws Exception {

        Configuration configuration = new Configuration();
        String templateDir = "F:\\xbl\\myResource\\temp_test_";
        configuration.setDirectoryForTemplateLoading(new File(templateDir));
        Template template = configuration.getTemplate(templFileName);

        Map<String, List<EntryInfoPo>> dataMap = new HashMap<String, List<EntryInfoPo>>();
        List<EntryInfoPo> listEntryInfo = new ArrayList<EntryInfoPo>();
        listEntryInfo = testMetaAddComment();
        dataMap.put("mapDataList", listEntryInfo );

        // 表注释
        dataMap.put("mapDataTableComment", testTableComment(entryInfoPoName, tableComment ));
        String generFileDir = "F:\\xbl\\myResource\\temp_test_\\gener_file_\\";
        File generFile = new File(generFileDir + templateFileName);
        if(generFile.exists()) {
            generFile.delete();
        }
        generFile.createNewFile();

        Writer outputWriter = new OutputStreamWriter(new FileOutputStream(generFile ) );
//        Writer outputWriter = new OutputStreamWriter(System.out );

        template.process(dataMap, outputWriter);
        System.out.println("输出完成！");
        outputWriter.close();
    }

    // 表注释
    private List<EntryInfoPo> testTableComment(String entryInfoPoName, String tableComment) throws Exception {

        List<EntryInfoPo> listTableComment = new ArrayList<EntryInfoPo>();
        EntryInfoPo entryInfoPo = new EntryInfoPo();
        entryInfoPo.setColumnName(entryInfoPoName);
        entryInfoPo.setColumnComment(tableComment);
        entryInfoPo.setUpperColumnName(firTextUpper( entryInfoPoName ) );
        listTableComment.add(entryInfoPo);
        return listTableComment;
    }

    // 首字母大写
    private String firTextUpper(String scontext ) {
        int textLength = scontext.length();
        String sufText = scontext.substring(1, textLength);
        String firText = scontext.substring(0, 1);
        firText = firText.toUpperCase();
        String finText = firText + sufText;
        return finText;
    }

    private List<EntryInfoPo> testMetaAddComment() throws Exception {

        List<EntryInfoPo> listEntryInfoPo = new ArrayList<EntryInfoPo>();
        Connection connection = getDataBaseConnection();
        Statement statement = connection.createStatement();
        ResultSet resultSet = statement.executeQuery("show full columns from t00_user ");
        while (resultSet.next()) {

            String columnComment = resultSet.getString("Comment");
            String columnName = resultSet.getString("Field");
            columnName = columnName.toLowerCase();
            EntryInfoPo entryInfoPo = new EntryInfoPo();
            entryInfoPo.setColumnName(columnName);
            entryInfoPo.setColumnComment(columnComment);
            listEntryInfoPo.add(entryInfoPo);
        }
        return listEntryInfoPo;
    }
    private Connection getDataBaseConnection() throws Exception {
        // 连接数据库
        Class.forName("com.mysql.jdbc.Driver");
        String databaseUrl = "jdbc:mysql://127.0.0.1:3306/grcdb05?useUnicode=true&characterEncoding=utf8";
        Connection connection = DriverManager.getConnection(databaseUrl, "root", "root");
        return connection;
    }
}

（3），注意替换空格

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