SpringSide是个什么东西呢？这么说吧，就是“采众家之长”的一个一站式框架，它吸取了开源界许多优秀组件的精华部分，非常简约的一个东西，具体就不多介绍了，自己可以参考官方文档。
下面来看看运用这个框架实现一个简单的用户管理究竟有多么容易。
先来看表现层：
新增或修改用户页面：
<%
@ page contentType="text/html;charset=UTF-8" %><%@ include file="/commons/taglibs.jsp" %>
<html><head> <%@ include file="/commons/meta.jsp" %> <title>User Manage</title></head><body><div id="page"> <div id="header"> <h1>Helloworld Sample</h1> </div> <%@ include file="/commons/messages.jsp" %> <div id="content"> <h1>User Infomation Manage</h1> <html:form action="/user.do" focus="name" styleClass="form" onsubmit="return validateUserForm(this)"> <input type="hidden" name="method" value="save"/> <html:hidden property="id"/> <table> <tr> <td><label>Name</label></td> <td> <html:text property="name" styleClass="text"/> <span class="req">*</span> <span class="fieldError"><html:errors property="name"/></span> </td> </tr> <tr> <td><label>EMail</label></td> <td> <html:text property="email" styleClass="text"/> </td> </tr> <tr> <td><label>Remark</label></td> <td> <html:textarea property="descn" rows="10" cols="40"/> </td> </tr> </table> <div> <html:submit property="saveBtn" styleClass="button">Save</html:submit> <html:cancel styleClass="button">Cancel</html:cancel> </div> </html:form> </div></div><html:javascript formName="userForm" staticJavascript="false" dynamicJavascript="true" cdata="false"/><script type="text/javascript" src="${ctx}/scripts/validator.jsp"></script><%@ include file="/commons/footer.jsp" %></body></html>
用户列表页面：
<%@ page contentType="text/html;charset=UTF-8" %><%@ include file="/commons/taglibs.jsp" %><html><head> <%@ include file="/commons/meta.jsp" %> <link href="${ctx}/widgets/extremecomponents/extremecomponents.css" type="text/css" rel="stylesheet"> <title>User Manage</title></head><body><div id="page"> <div id="header"> <h1>Helloworld Sample</h1> </div> <div id="content"> <h1>User List</h1> <%@ include file="/commons/messages.jsp" %> <ec:table items="users" var="user" action="${ctx}/user.do"> <ec:exportXls fileName="UserList.xls" tooltip="Export Excel"/> <ec:row> <ec:column property="rowcount" cell="rowCount" sortable="false" title="No." width="60"/> <ec:column property="id" title="ID" width="60"/> <ec:column property="name" title="Name" width="120"/> <ec:column property="email" title="Email" width="120"/> <ec:column property="descn" title="Description" viewsDenied="html"/> <ec:column property="null" title="Edit" width="40" sortable="false" viewsAllowed="html"> <a href="user.do?method=edit&id=${user.id}">Edit</a> </ec:column> <ec:column property="null" title="Remove" width="40" sortable="false" viewsAllowed="html"> <a href="user.do?method=delete&id=${user.id}">Delete</a> </ec:column> </ec:row> </ec:table> </div> <div> <button id="addbtn" onclick="location.href='user.do?method=create'">Add</button> </div></div><%@ include file="/commons/footer.jsp" %></body></html>
对应的控制器类UserAction.java:
package org.springside.helloworld.web;import org.springside.core.web.StrutsEntityAction;import org.springside.helloworld.model.User;import org.springside.helloworld.service.UserManager;/** *//**
* 用户管理Controller. * <p/> * 继承于StrutsEntityAction，不需编码就拥有默认的对User对象的CRUD响应函数. 如果想了解不继承于EntityAction,自行编写CRUD的写法, 参考{@link UserActionNativeVersion}. * * @author calvin * @see org.springside.core.web.StrutsEntityAction * @see org.springside.core.web.StrutsAction * @see UserActionNativeVersion
*/public class UserAction extends StrutsEntityAction<User, UserManager> { @SuppressWarnings("unused") private UserManager userManager;
public void setUserManager(UserManager userManager) { this.userManager = userManager;
}}
然后是业务逻辑层，
package org.springside.helloworld.service;import org.springside.core.dao.HibernateEntityDao;import org.springside.helloworld.model.User;/** *//** * 用户管理业务类. * <p/> * 继承于HibernateEntityDao,不需任何代码即拥有默认的对User对象的CRUD函数. 如果想了解不继承于EntityDao,自行编写CRUD的写法, 参考{@link UserManagerNativeVersion}. * * @author calvin * @see HibernateEntityDao * @see org.springside.core.dao.HibernateGenericDao * @see UserManagerNativeVersion */public class UserManager extends HibernateEntityDao<User> { // .CRUD以外的其它商业方法}
然后是模型层
package org.springside.helloworld.model;import javax.persistence.Entity;import javax.persistence.GeneratedValue;import javax.persistence.GenerationType;import javax.persistence.Id;import javax.persistence.Table;/** *//** * 用户.带jpa annotation简版配置. * * @author calvin * @author schweigen */ //同USERS表映射@Entity@Table(name = "USERS")public class User { private Integer id;//用户id private String name;//用户名 private String email;//e-mail private String descn;//自我介绍 //主键自动生成,其他,其余属性全部与数据库中的列默认映射。 @Id @GeneratedValue(strategy = GenerationType.AUTO) public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } public String getDescn() { return descn; } public void setDescn(String descn) { this.descn = descn; }}
那么代码部分就这些了，可以看到不需要我们自己去写重复的CRUD代码，仅仅从一些特定的基类继承下来就可以了，而Jdk新加入的泛型技术的运用更是如虎添翼。那么对于配置文件部分，我个人感觉比以前好像更加复杂了呢，也许是还不习惯吧。。。
