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jeesite 代码生成原理1

时间:2018-08-16 14:57:51      阅读:340      评论:0      收藏:0      [点我收藏+]

标签:页面   通过   one   nta   ace   har   and   project   cat   

jeeSite生成代码原理主要是:通过JAXBContext的Marshal(解组) 和 UnMarshal(编组)实现java与xml的相互转换,其中把要生成代码的文件写成一个XML模板,再通过IO流一行一行读取模板,再进行转换成相应的文件!

技术分享图片

在进入这个页面会使用GenUtils.getConfig()方法加载config.xml 并在genTableForm中读取javaType,queryType,showType。

config.xml

<?xml version="1.0" encoding="utf-8"?>
<config>
	<!-- 生成分类 -->
	<category>
		<category value="curd" label="增删改查(单表)">
			<template>curd/controller.xml</template>
			<template>curd/service.xml</template>
			<template>category-ref:dao</template>
			<template>curd/viewForm.xml</template>
			<template>curd/viewList.xml</template>
		</category>
		<category value="curd_many" label="增删改查(一对多)">
			<template>curd/controller.xml</template>
			<template>curd/serviceMany.xml</template>
			<template>category-ref:dao</template>
			<template>curd/viewFormMany.xml</template>
			<template>curd/viewList.xml</template>
			<childTable>
				<template>category-ref:dao</template>
			</childTable>
		</category>
		<category value="dao" label="仅持久层(dao/entity/mapper)">
			<template>dao/dao.xml</template>
			<template>dao/entity.xml</template>
			<template>dao/mapper.xml</template>
		</category>
		<category value="treeTable" label="树结构表(一体)">
			<template>treetable/controller.xml</template>
			<template>treetable/service.xml</template>
			<template>treetable/dao.xml</template>
			<template>treetable/entity.xml</template>
			<template>treetable/mapper.xml</template>
			<template>treetable/viewForm.xml</template>
			<template>treetable/viewList.xml</template>
		</category>
		<category value="treeTableAndList" label="树结构表(左树右表)">
			<template>category-ref:dao</template>
		</category>
	</category>
	<!-- java类型 -->
	<javaType>
		<dict value="String" label="String"/>
		<dict value="Long" label="Long"/>
		<dict value="Integer" label="Integer"/>
		<dict value="Double" label="Double"/>
		<dict value="java.util.Date" label="Date"/>
		<dict value="com.thinkgem.jeesite.modules.sys.entity.User" label="User"/>
		<dict value="com.thinkgem.jeesite.modules.sys.entity.Office" label="Office"/>
		<dict value="com.thinkgem.jeesite.modules.sys.entity.Area" label="Area"/>
		<dict value="com.thinkgem.jeesite.modules.idorp.entity.project.IdorpProject" label="IdorpProject"/>
		<dict value="com.thinkgem.jeesite.modules.idorp.entity.money.IdorpProjectPayment" label="IdorpProjectPayment"/>
		<dict value="com.thinkgem.jeesite.modules.idorp.entity.money.IdorpContact" label="IdorpContact"/>
		<dict value="com.thinkgem.jeesite.modules.idorp.entity.labor.IdorpLaborCost" label="IdorpLaborCost"/>
		<dict value="This" label="ThisObj" description="生成当前对象"/>
		<dict value="Custom" label="Custom" description="自定义对象,生成后手动设置"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.base.JhOaProductType" label="JhOaProductType"/>
		<dict value="com.thinkgem.jeesite.one.modules.jhoa.entity.base.JhOaSupplier" label="JhOaSupplier"/>
		<dict value="com.thinkgem.jeesite.one.modules.jhoa.entity.base.JhOaStore" label="JhOaStore"/>
		<dict value="com.thinkgem.jeesite.one.modules.jhoa.entity.base.JhOaPost" label="JhOaPost"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.base.JhOaProduct" label="JhOaProduct"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.purchase.JhOaPurchaseReq" label="JhOaPurchaseReq"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.base.JhOaProductPrice" label="JhOaProductPrice"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.purchase.JhOaPurchaseReqDetail" label="JhOaPurchaseReqDetail"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.purchase.JhOaPurchase" label="JhOaPurchase"/>
		<dict value="com.thinkgem.jeesite.one.modules.jhoa.entity.purchase.JhOaPayment" label="JhOaPayment"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.purchase.JhOaPurchaseDetail" label="JhOaPurchaseDetail"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.purchase.JhOaInStorage" label="JhOaInStorage"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.purchase.JhOaBackBill" label="JhOaBackBill"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.base.JhOaStoreStock" label="JhOaStoreStock"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.base.JhOaLossApply" label="JhOaLossApply"/>
		
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.base.JhOaStoreStaff" label="JhOaStoreStaff"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.store.JhOaSale" label="JhOaSale"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.base.JhOaStoreStockPrice" label="JhOaStoreStockPrice"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.store.JhOaSaleDetail" label="JhOaSaleDetail"/>
		<dict value="com.thinkgem.jeesite.two.modules.jhoa.entity.base.JhOaAllocate" label="JhOaAllocate"/>
	</javaType>
	<!-- 查询类型 -->
	<queryType>
		<dict value="=" label="="/>
		<dict value="!=" label="!="/>
		<dict value=">" label=">"/>
		<dict value=">=" label=">="/>
		<dict value="<" label="<"/>
		<dict value="<=" label="<="/>
		<dict value="between" label="Between"/>
		<dict value="like" label="Like"/>
		<dict value="left_like" label="Left Like"/>
		<dict value="right_like" label="Right Like"/>
	</queryType>
	<!-- 字段显示类型 -->
	<showType>
		<dict value="input" label="单行文本"/>
		<dict value="textarea" label="多行文本"/>
		<dict value="select" label="下拉选项"/>
		<dict value="radiobox" label="单选按钮"/>
		<dict value="checkbox" label="复选框"/>
		<dict value="dateselect" label="日期选择"/>
		<dict value="userselect" label="人员选择"/>
		<dict value="officeselect" label="部门选择"/>
		<dict value="areaselect" label="区域选择"/>
		<dict value="treeselect" label="树选择控件"/>
		<dict value="fileselect" label="文件上传选择"/>
	</showType>
</config>

  

genTableForm.jsp

<td>
                                        <select name="columnList[${vs.index}].javaType" class="required input-mini" style="width:185px;*width:175px">
                                            <c:forEach items="${config.javaTypeList}" var="dict">
                                                <option value="${dict.value}" ${dict.value==column.javaType?‘selected‘:‘‘} title="${dict.description}">${dict.label}</option>
                                            </c:forEach>
                                        </select>
                                    </td>

各行数据保存在技术分享图片GenTableColumn中;

 

 

技术分享图片

 

 点击保存进入GenUtils.generateCode方法

 1     private String generateCode(GenScheme genScheme){
 2 
 3         StringBuilder result = new StringBuilder();
 4         
 5         // 查询主表及字段列
 6         GenTable genTable = genTableDao.get(genScheme.getGenTable().getId());
 7         genTable.setColumnList(genTableColumnDao.findList(new GenTableColumn(new GenTable(genTable.getId()))));
 8         
 9         // 获取所有代码模板
10         GenConfig config = GenUtils.getConfig();
11         
12         // 获取模板列表
13         List<GenTemplate> templateList = GenUtils.getTemplateList(config, genScheme.getCategory(), false);
14         List<GenTemplate> childTableTemplateList = GenUtils.getTemplateList(config, genScheme.getCategory(), true);
15         
16         // 如果有子表模板,则需要获取子表列表
17         if (childTableTemplateList.size() > 0){
18             GenTable parentTable = new GenTable();
19             parentTable.setParentTable(genTable.getName());
20             genTable.setChildList(genTableDao.findList(parentTable));
21         }
22         
23         // 生成子表模板代码
24         for (GenTable childTable : genTable.getChildList()){
25             childTable.setParent(genTable);
26             childTable.setColumnList(genTableColumnDao.findList(new GenTableColumn(new GenTable(childTable.getId()))));
27             genScheme.setGenTable(childTable);
28             Map<String, Object> childTableModel = GenUtils.getDataModel(genScheme);
29             for (GenTemplate tpl : childTableTemplateList){
30                 result.append(GenUtils.generateToFile(tpl, childTableModel, genScheme.getReplaceFile()));
31             }
32         }
33         
34         // 生成主表模板代码
35         genScheme.setGenTable(genTable);
36         Map<String, Object> model = GenUtils.getDataModel(genScheme);
37         for (GenTemplate tpl : templateList){
38             result.append(GenUtils.generateToFile(tpl, model, genScheme.getReplaceFile()));
39         }
40         return result.toString();
41     }

参考链接:

https://blog.csdn.net/u011781521/article/details/79322942

https://www.cnblogs.com/26JRS/p/6084082.html

jeesite 代码生成原理1

标签:页面   通过   one   nta   ace   har   and   project   cat   

原文地址:https://www.cnblogs.com/jlyzxye/p/9487037.html

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