test

//这个是随便找的代码
var domain = require(‘domain‘);
var request = require(‘request‘);
function async_error() {
    setTimeout(function(){
        var r = Math.random() * 10;
        console.log("random num is " + r);
        if (r > 5) {
            throw new Error("async: random num" + r + " > 5");
        }
    },10)
}
function sync_error() {
    var r = Math.random() * 10;
    console.log("sync num is " + r);
    if (r > 5) {
        throw new Error("sync: random num" + r + " > 5");
    }
}
var d = domain.create();
d.on(‘error‘,function(err){
    console.log(‘你错了‘,err);
    // return;
});
setInterval(function () {
   d.run(async_error);
    // d.run(sync_error);
}, 1000)