struts2--通过超链接动态加载国际化资源文件

妖狐艹你老母 2024-02-18 14:18 51阅读 0赞

原理：

![Center][]

不通过浏览器设置完成语言/地区设置，在jsp页面中通过超链接完成中英文切换。

![Center 1][]

![Center 2][]

i18n.jsp页面：

<body>
        <a href = "testI18n.action?request_locale=en_US">English</a>  （必须是action，保证i18n拦截器起作用）
        <a href = "testI18n.action?request_locale=zh_CN">中文</a>
        <a href = "ok.jsp">OK</a>
         <s:form action = "testI18n" method = "post">
            <s:textfield name = "username" key = "loginUser"/>
            <s:password name = "password" key = "loginPassword"/>
            <s:submit key = "loginSubmit"/>
         </s:form>
      </body>

action:

package com.action;
    
    import com.opensymphony.xwork2.ActionSupport;
    
    public class testI18n extends ActionSupport{
    	private String username;
    	private String password;
    
      public String getUsername() {
    		return username;
    	}
    
    
    	public void setUsername(String username) {
    		this.username = username;
    	}
    
    
    	public String getPassword() {
    		return password;
    	}
    
    
    	public void setPassword(String password) {
    		this.password = password;
    	}
    
    
    public String execute(){
    	return SUCCESS;
    }
    }

资源文件（包资源）  
package\_en\_US.properties:

loginUser = LoginUser
    loginPassword = LoginPassword
    loginSubmit = Submit

package\_zh\_CN.properties

loginUser = \u7528\u6237\u540D
    loginPassword = \u7528\u6237\u5BC6\u7801
    loginSubmit = \u63D0\u4EA4

struts.xml:

<?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.1.7//EN"
        "http://struts.apache.org/dtds/struts-2.1.7.dtd">
        
        <struts>
         <constant name="struts.custom.i18n.resources" value="globalMessage"/>
         
         <package name="default" namespace = "/" extends="struts-default">        
            <action name = "testI18n" class = "com.action.testI18n">
              <result>/i18n.jsp</result>
            </action>
         </package>
        </struts>

ok.jsp

整个请求的过程都是围绕着request\_locale参数的，每个经过i18n拦截器处理的请求，首先对request\_locale参数判断，不为空，将参数信息保存到session范围里，否则从session范围里取出locale对象等一系列操作。当然这些操作都由struts2框架封装了，我们只需在请求的url中传递request\_locale参数信息，即可完成语言/地区设置。

[Center]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/b288994b973f46ae88a2d2708fe87b85.png
[Center 1]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/9e8562f8b0e14ce6a467b039bd3f5a0a.png
[Center 2]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/8424b7e76abd4c8084c49728eb21fcde.png