目录
第1章. DWR入门 ..................... 8
1.1 简介 ....................... 8
1.2 第一个DWR程序：HelloWorld ... 9
1.2.1 将DWR放入你的工程 ................. 9
1.2.2 编辑配置文件 ................. 9
1.2.3 编写service .... 10
1.2.4 测试DWR ... 10
1.2.5 编写一个jsp ......... 11
1.3 本章总结......... 12
第2章. web.xml配置 ........ 13
2.1 主要配置............ 13
2.2 常用<init-param>参数列表 ........... 14
2.2.1 安全参数 ......... 14
2.2.2 Ajax服务器加载时保护参数 ......... 14
2.2.3 其他参数 ............................ 15
2.3 日志配置........................ 16
2.4 多个dwr.xml配置和J2EE角色定义 ................. 16
2.5 插件配置............. 18
2.6 测试模式配置 .......... 19
第3章. dwr.xml配置 .................. 20
3.1 纵览 ............ 20
3.2 <init>标签 ........ 20
3.3 <allow>标签 ........... 21
3.3.1 Creator ...... 21
3.3.2 Converter ......... 25
3.4 <signatures>标签 ....... 30
第4章. 整合 ............ 32
4.1 DWR与Servlet ........ 32
4.1.1 使用webContext的方法： ......... 32
4.1.2 方法选择 .......... 32
4.2 DWR与Spring ................................................... 34
4.2.1 让DWR和Spring一起工作的检查列表 ................................................................. 34
4.2.2 Spring Creator ....................................................................................................... 34
4.2.3 找到Spring配置文件 ............................................................................................. 34
4.2.4 使用Spring配置DWR ........................................................................................... 35
4.3 DWR与JSF ................................................................................................................... 36
4.3.1 JSF Creator ........................................................................................................... 36
4.3.2 Servlet Filter .......................................................................................................... 36
4.4 DWR与Struts ................................................................................................................ 37
4.4.1 Struts creator ......................................................................................................... 37
6 / 92
4.4.2 开始顺序 ................................................................................................................ 37
4.5 DWR与Weblogic或PageFlow ..................................................................................... 38
4.6 DWR与Hibernate ......................................................................................................... 39
4.6.1 让DWR和Hibernate一起工作的检查列表 ............................................................ 39
4.6.2 HibernateBeanConverter ....................................................................................... 39
4.6.3 Session管理 .......................................................................................................... 39
4.7 DWR与WebWork ......................................................................................................... 40
4.7.1 配置dwr.xml .......................................................................................................... 40
4.7.2 在JSP中导入脚本 ................................................................................................. 40
4.7.3 高级 ....................................................................................................................... 41
4.8 DWR与Acegi ................................................................................................................ 42
4.8.1 问题提出 ................................................................................................................ 42
4.8.2 解决方案 ................................................................................................................ 42
第5章. DWR中的JavaScript简介 ..................................................................................................... 44
5.1 简单的回调函数 .............................................................................................................. 44
5.2 调用元数据对象 .............................................................................................................. 45
5.3 查找回调函数 ................................................................................................................. 45
5.4 创造一个与Java对象匹配的Javascript对象 ................................................................. 46
第6章. engine.js 功能 ........................................................................................................................ 47
6.1 使用选项......................................................................................................................... 47
6.2 选项索引......................................................................................................................... 48
6.2.1 处理器(Handler) .................................................................................................... 48
6.2.2 调用处理器(Call Handler) .................................................................................... 48
6.2.3 Hooks (一个batch中可以注册多个hook) ............................................................. 49
6.2.4 全局选项(在单次调用或者批量调用中不可用) ....................................................... 49
6.2.5 废弃的选项 ............................................................................................................. 49
6.2.6 未来版本的选项 ..................................................................................................... 49
6.3 选项说明......................................................................................................................... 50
6.3.1 批量调用 ................................................................................................................ 50
6.3.2 顺序调用 ................................................................................................................ 50
6.3.3 错误警告和超时 ..................................................................................................... 50
6.3.4 远程调 Hooks ........................................................................................................ 51
6.3.5 远程调用选项 ......................................................................................................... 51
第7章. util.js 功能 .............................................................................................................................. 54
7.1 $() ................................................................................................................................. 54
7.2 addOptions and removeAllOptions ................................................................................ 54
7.3 addRows and removeAllRows ....................................................................................... 55
7.4 getText ........................................................................................................................... 56
7.5 getValue ......................................................................................................................... 56
7.6 getValues ....................................................................................................................... 57
7.7 onReturn ........................................................................................................................ 57
7.8 selectRange ................................................................................................................... 57
7.9 setValue ......................................................................................................................... 58
7.10 setValues ....................................................................................................................... 58
7 / 92
7.11 toDescriptiveString ......................................................................................................... 58
7.12 useLoadingMessage ...................................................................................................... 58
7.13 Submission box .............................................................................................................. 61
第8章. DWR进阶 ............................................................................................................................... 63
8.1 DWR Annotations ........................................................................................................ 63
8.1.1 初始配置 ................................................................................................................ 63
8.1.2 远程访问类 ............................................................................................................. 63
8.1.3 对象转换 ................................................................................................................ 64
8.2 错误和异常处理 .............................................................................................................. 64
8.2.1 错误处理 ................................................................................................................ 64
8.2.2 异常 ....................................................................................................................... 65
8.2.3 找出更多的信息 ..................................................................................................... 65
8.3 传递额外的数据到callback函数 .................................................................................... 66
8.4 从其他的URL读取数据 ................................................................................................. 67
8.5 安全 ............................................................................................................................... 68
第9章. 范例精讲 ................................................................................................................................ 71
9.1 购物车 ............................................................................................................................ 71
9.1.1 介绍 ....................................................................................................................... 71
9.1.2 实现目录 ................................................................................................................ 72
9.1.3 测试部署 ................................................................................................................ 74
9.1.4 调用远程对象 ......................................................................................................... 75
9.1.5 实现购物车 ............................................................................................................. 77
9.1.6 调用远程的 Cart 方法 ........................................................................................... 79
9.1.7 演示结果 ................................................................................................................ 81
9.1.8 总结 ....................................................................................................................... 81
第10章. 附录 ............................................................................................................................... 83
10.1 常见问题......................................................................................................................... 83
10.1.1 TransformerFactoryConfigurationError .................................................................. 83
10.1.2 XML解析错误 ........................................................................................................ 83
10.1.3 使用weblogic的类路径问题 .................................................................................. 83
10.1.4 没有cookies的情况下用DWR .................................................................... 84
10.2 JavaScript高级应用 ....................................................................................................... 85
10.2.1 用变量操纵函数 ..................................................................................................... 85
10.2.2 高阶函数 ................................................................................................................ 86
10.2.3 动态类型 ................................................................................................................ 87
10.2.4 灵活的对象模型 ..................................................................................................... 89
10.2.5 本节总结 ................................................................................................................ 91
