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screenshot.png 可知上面时序图完成了对RequestScope对象定义的修改创建了代理bean,具体修改内容是修改了beanClass为ScopedProxyFactoryBean,并且保存了原来的...return getBeanFactory().getBean(getTargetBeanName()); } 所以最后是从IOC获取目标类bean.下面看下getBean代码: //获取RequestScope...throw new IllegalStateException("No Scope registered for scope '" + scopeName + "'"); } try { //调用RequestScope...defining a scoped proxy for this bean if you intend to refer to it from a singleton", ex); } requestscope
一、前言 最近我们组在做项目分层模块化项目调研,就产生一个问题如何在开启的线程中不破坏使用习惯情况下使用请求线程里面的RequestScope作用域的bean,感觉这个问题比较有意思就研究并整理下一下...screenshot.png 下面重点看RequestScope的get方法: public Object get(String name, ObjectFactory objectFactory...RequestContextHolder.setRequestAttributess设置了设置了requestAttributesHolder,所以在test方法内第一次调用getAesKey()方法时候,RequestScope.get...调用setAesKey时候RequestScope.get()则是直接从attributes里面获取返回,然后在cglib代理里面调用pvginfo的setAesKey方法设置。...在子线程中调用getAesKey方法时候,RequestScope.get()方法里面第一步时候获取attributes时候,由于(5)是threadlocal,所以根据第二节讲的threadlocal
}; {requestScope.person[‘name’]}; List里面的第二个数据 <% <% List list=new ArrayList(); list.add(“a”); list.add...(“b”); list.add(“c”); request.setAttribute(“List”,list); %> {requestScope.List[1]}; {requestScope.List...[‘name’]}; 我的年龄: //什么方便?...${requestScope[‘my person’].name}; map.put(“my person”,new Person(“Xxx”,12)); */ EL能进行的运算?...=) 逻辑运算(&&,||) empty运算(推断一个数据是否是空) (null,空字符串,空集合) {empty name} 三目条件运算 {requestScope.person.age
-- 1、可以往域中保存数据 --> 保存之前:${ requestScope.key1 } 保存之后:${ requestScope.key1 } <%...property属性设置你要修改的是哪个属性,或是map集合的哪个key value 属性设置你的新值 --%> 修改之前:${ requestScope.map...} 修改之后...:${ requestScope.map } **** if标签可以用来做判断使用。
}"> 操作符号:+ - * / 操作数2:<br
; } } 在ModelAndView中添加视图名,使用addObject添加数据 编写Jsp,获取数据 method:${requestScope.name...} ${requestScope.time} ${requestScope.get("time")} ${time} ...{requestScope.time},${time}这三种写法效果是一样的 Model/Map/ModelMap Spring MVC 在调用方法前会创建一个隐含的模型对象作为模型数据的存储容器。..."); return "sessionAttribute"; } } jsp代码如下: method:${requestScope.name...} ${requestScope.time} ${requestScope.get("time")} ${time} sessionScope.time
<c:when test="${<em>requestScope</em>.newFlag== '1' || <em>requestScope</em>.newFlag== '2' ||<em>requestScope</em>.newFlag
; // 已授权范围 Set authorizedScope = adapter.identifyPermissionScope(authToken, requestScope...) { this.supplier = supplier; } /** * 验证权限范围 * @param token * @param requestScope...* @return */ public Set identifyPermissionScope(String token, Set requestScope...; } if (requestScope == null) { return null; } if (requestScope.contains...(authorizeScope); return requestScope; } } 此处为了方便设置,有两个关键字范围 AUTH_ALL:预设所有范围,全开放的意思,为数据库预先设置值
> 190 }"> 小巨人 180 }"> 很高 170 }"> 还可以 160}"> 大于 160 ...150}"> 大于 150 140}"> 大于 140 entry : map.entrySet()) { // } request.setAttribute("map", map); %> <c:forEach items="${ <em>requestScope</em>.map
> 90 }"> 优秀 80...}"> 良好 60 }">.../h2> 大于 60 大于 50 <c:when test="${<em>requestScope</em>.score
); modelMap.put("gender", "male"); return "hello"; // 页面获取 // names:${requestScope.names...} // time:${requestScope.time} // city:${requestScope.city } // request...:${requestScope.request} // gender:${requestScope.gender } } 所有代码:SpringMVCDemo .java...} // time:${requestScope.time} // city:${requestScope.city } // request...:${requestScope.request} // gender:${requestScope.gender } } } SpringMVC的接参和传参的方式有很多种
复选框标题: <button type
city", "ChengDu"); 7 modelMap.put("gender", "male"); 8 return "hello"; 9 } JSP页面 1 1、time:${requestScope.time...} 2 2、names:${requestScope.names } 3 3、city:${requestScope.city } 4 4、gender:${requestScope.gender
; charset=UTF-8"> Insert title here success page time:${requestScope.time...; charset=UTF-8"> Insert title here success page name:${requestScope.names...} a:${requestScope.a} b:${requestScope.b} // index.jsp Insert title here success page request user:${requestScope.user
testSessionAttributes">testSessionAttributes success.jsp Success request user:${requestScope.user...} session user:${sessionScope.user} request school:${requestScope.school}...在jsp中,利用requestScope(请求域)可以取得传过来的模型数据,利用sessionScope(会话域)来获取session中的数据。
EL获取特定域中的属性 pageScope----------------pageContext域 requestScope------------request域 sessionScope------...} 域对象保存数据之后:${requestScope.name}50}"> 大于50 ...小于50 等于于50...request.setAttribute("arr",new String[]{"111","222","333"}); %> <c:forEach items="${<em>requestScope</em>.arr
产生原因 JSTL操作符 el表达式的取值默认顺序: pageScope requestScope sessionScope applicationScope 结构:采用.导航,也称为存取器 ${...} = true request.setAttribute(“value2”,””) ${empty requestScope.value1} = true request.setAttribute...(“value3”,new ArrayList()) ${empty requestScope.value1} = true request.setAttribute(“value4”,“i love...you”) ${empty requestScope.value1} = false request.setAttribute(“value4”,“i love you”) ${!...empty requestScope.value1} = true jar及配置 web.xml <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance
} age:: ${requestScope.age} address::...${requestScope.address} 浏览器访问结果如下: ?...${requestScope.address} 浏览器访问结果: ?...:: ${requestScope.address} session_name:: request_age:: ${requestScope.student.age}
HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> ID:${requestScope.czy.id...} 编号:${ requestScope.czy.dlh} 姓名:${ requestScope.czy.name} 部门:${ requestScope.czy.bmmc
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