<%
response.setStatus(400);

// 获取异常类
Throwable ex = Exceptions.getThrowable(request);

// 编译错误信息
StringBuilder sb = new StringBuilder("错误信息：\n");
if (ex != null) {
    if (ex instanceof BindException) {
        for (ObjectError e : ((BindException)ex).getGlobalErrors()){
            sb.append("☆" + e.getDefaultMessage() + "(" + e.getObjectName() + ")\n");
        }
        for (FieldError e : ((BindException)ex).getFieldErrors()){
            sb.append("☆" + e.getDefaultMessage() + "(" + e.getField() + ")\n");
        }
        LoggerFactory.getLogger("400.jsp").warn(ex.getMessage(), ex);
    }else if (ex instanceof ConstraintViolationException) {
        for (ConstraintViolation<?> v : ((ConstraintViolationException)ex).getConstraintViolations()) {
            sb.append("☆" + v.getMessage() + "(" + v.getPropertyPath() + ")\n");
        }
    } else {
        //sb.append(Exceptions.getStackTraceAsString(ex));
        sb.append("☆" + ex.getMessage());
    }
} else {
    sb.append("未知错误.\n\n");
}

// 如果是异步请求或是手机端，则直接返回信息
if (Servlets.isAjaxRequest(request)) {
    out.print(sb);
}

// 输出异常信息页面
else {
%>
<%@page import="javax.validation.ConstraintViolation"%>
<%@page import="javax.validation.ConstraintViolationException"%>
<%@page import="org.springframework.validation.BindException"%>
<%@page import="org.springframework.validation.ObjectError"%>
<%@page import="org.springframework.validation.FieldError"%>
<%@page import="org.slf4j.Logger,org.slf4j.LoggerFactory"%>
<%@page import="com.ejweb.core.web.Servlets"%>
<%@page import="com.ejweb.core.utils.Exceptions"%>
<%@page import="com.ejweb.core.utils.StringUtils"%>
<%@page contentType="text/html;charset=UTF-8" isErrorPage="true"%>
<%@include file="/WEB-INF/views/include/taglib.jsp"%>
<!DOCTYPE html>
<html>
<head>
    <title>400 - 请求出错</title>
    <%@include file="/WEB-INF/views/include/head.jsp" %>
</head>
<body>
    <div class="container-fluid">
        <div class="page-header"><h1>参数有误,服务器无法解析.</h1></div>
        <div class="errorMessage">
            <%=StringUtils.toHtml(sb.toString())%> <br/>
        </div>
        <a href="javascript:" onclick="history.go(-1);" class="btn">返回上一页</a> &nbsp;
        <br/> <br/>
        <script>try{top.$.jBox.closeTip();}catch(e){}</script>
    </div>
</body>
</html>
<%
} out = pageContext.pushBody();
%>