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
<meta http-equiv="X-UA-Compatible" content="IE=5" >
<meta http-equiv="X-UA-Compatible" content="IE=7" >
<meta http-equiv="X-UA-Compatible" content="IE=8" >
<meta http-equiv="X-UA-Compatible" content="IE=edge" >
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>IE=EmulateIE8</param-value>-->
<param-value>AUTO</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>IECompatibilityFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>