jsp或java中设置页面默认IE浏览版本

最新推荐文章于 2025-10-30 16:26:01 发布

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在网页开发过程中，由于不同的Internet Explorer版本显示效果可能存在差异，可以通过在jsp或Java代码中设置页面的X-UA-Compatible元标签来指定默认的IE浏览模式，如IE5, IE7, IE8及edge模式。" 103896639,5569371,Django MultiSelectField 使用详解,"['Django', 'Python', 'ORM', '数据库']

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在我们开发中使用不同IE浏览器版本，显示的效果不一样。

我们可以中代码中设置默认版本

jsp中按如下设置

java中

package common;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class IECompatibilityFilter
  implements Filter
{
  private FilterConfig filterConfig = null;
  String ieCompatible = null;


  public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
    throws IOException, ServletException
  {
    HttpServletRequest req = (HttpServletRequest)request;
    HttpServletResponse res = (HttpServletResponse)response;


    if ((this.ieCompatible == null) || 
      (this.ieCompatible.trim().equalsIgnoreCase("AUTO"))) {
      String userAgent = req.getHeader("User-Agent");
      if (userAgent != null)
        if (userAgent.contains("MSIE 7.0"))
        {
          res.setHeader("X-UA-Compatible", "IE=EmulateIE7");
        } else if (userAgent.contains("MSIE 8.0"))
        {
          res.setHeader("X-UA-Compatible", "IE=EmulateIE8");
        } else if (userAgent.contains("Trident/7.0"))
        {
          res.setHeader("X-UA-Compatible", "IE=EmulateIE10");
        } else if (this.ieCompatible == null)
        {
          res.setHeader("X-UA-Compatible", "IE=edge");
        }
    } else if (this.ieCompatible != null) {
      res.setHeader("X-UA-Compatible", this.ieCompatible);
    }


    chain.doFilter(req, res);
  }


  public void init(FilterConfig filterConfig)
  {
    this.filterConfig = filterConfig;
    if (this.filterConfig != null)
      this.ieCompatible = this.filterConfig
        .getInitParameter("X-UA-Compatible");
  }


  public void destroy()
  {
  }
}

web.xml 中

<filter>
<filter-name>IECompatibilityFilter</filter-name>
<filter-class>common.IECompatibilityFilter</filter-class>
<init-param>
<param-name>X-UA-Compatible</param-name>

<param-value>AUTO</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>IECompatibilityFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>