我正在使用 ELMAH记录我的 .net 错误。它运行良好,但我想扩展错误日志记录以包含客户端错误,即任意 JavaScript 错误。我可以使用 window.onerror 事件捕获错误,然后调用 .net 处理程序 (.ashx) 在 elmah 中记录错误,但这只是我解决问题的小技巧。有没有更好的方法将客户端错误记录到 elmah?
最佳答案
这是一个更完整的解决方案(我想我是从 ELMAH 网站上抓取的……记不清了)
ErrorLogging.js:
window.onerror = function (msg, url, line) {
logError(msg, arguments.callee.trace());
}
function logError(ex, stack) {
if (ex == null) return;
if (logErrorUrl == null) {
alert('logErrorUrl must be defined.');
return;
}
var url = ex.fileName != null ? ex.fileName : document.location;
if (stack == null && ex.stack != null) stack = ex.stack;
// format output
var out = ex.message != null ? ex.name + ": " + ex.message : ex;
out += ": at document path '" + url + "'.";
if (stack != null) out += "\n at " + stack.join("\n at ");
// send error message
jQuery.ajax({
type: 'POST',
url: logErrorUrl,
data: { message: out }
});
}
Function.prototype.trace = function()
{
var trace = [];
var current = this;
while(current)
{
trace.push(current.signature());
current = current.caller;
}
return trace;
}
Function.prototype.signature = function()
{
var signature = {
name: this.getName(),
params: [],
toString: function()
{
var params = this.params.length > 0 ?
"'" + this.params.join("', '") + "'" : "";
return this.name + "(" + params + ")"
}
};
if (this.arguments)
{
for(var x=0; x<this.arguments.length; x++)
signature.params.push(this.arguments[x]);
}
return signature;
}
Function.prototype.getName = function()
{
if (this.name)
return this.name;
var definition = this.toString().split("\n")[0];
var exp = /^function ([^\s(]+).+/;
if (exp.test(definition))
return definition.split("\n")[0].replace(exp, "$1") || "anonymous";
return "anonymous";
}
布局/母版页:
<script src="@Url.Content( "~/Scripts/ErrorLogging.js" )" type="text/javascript"></script>
<script type="text/javascript">
//This needs to be here to be on everypage
var logErrorUrl = '@Url.Action( "LogJavaScriptError", "Home" )';
</script>
HomeController.cs:
[HttpPost]
public void LogJavaScriptError( string message ) {
ErrorSignal.FromCurrentContext().Raise( new JavaScriptErrorException( message ) );
}
JavaScriptErrorException.cs:
[Serializable]
public class JavaScriptErrorException: Exception{
public JavaScriptErrorException( string message ) : base ( message ){}
}
关于logging - 使用 Elmah 记录客户端错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/2764525/