我已经看了一些已经存在的堆栈溢出问题的例子,但我不断收到“未定义”,似乎是循环访问数组中的每一个字符。循环通过JS对象数组的特定属性
我不是太清楚如何阻止这种,所以我可以有它只是打印出带有“名称”属性
CSV示例一切:
[{"Extension":"071","Company Name":"test1","Name":"Iron"},{"Extension":"072","Company Name":"test2","Name":"Blue"},{"Extension":"073","Company Name":"test3","Name":"Bloggs"},{"Extension":"074","Company Name":"test4","Name":"Best"},{"Extension":"075","Company Name":"test5","Name":"Green"}]
客户端代码:
$("#CSV-Upload").click(function() {
$("input[type=file]").parse({
config: {
header: true,
skipEmptyLines: true,
complete: function(results, file) {
console.log("This file done:", file, results);
var string = JSON.stringify(results['data']);
result.push(string);
console.log("CSV Array: " + string);
socket.emit('CSVSQL', string);
}
},
complete: function() {
console.log("All files done!");
}
});
$("#csv-file").val('');
});
服务器端代码:
function CSVSQL(csvdata) {
if (csvdata.length > 0) {
console.log('Current CSV data Information: \n');
console.log(csvdata);
for (var j = 0; j < csvdata.length; j++){
console.log(csvdata[j].Name);
}
} else {
console.log('No data in that CSV file :-(\n');
};
}
io.sockets.on('connection', function (socket) {
socket.on('CSVSQL', function (csvdata) {
CSVSQL(csvdata);
});
});
任何人都可以解释我哪里出了问题,并提供一些建议?
当你'的console.log(csvdata);',你会得到什么输出? –
@PrashantAgrawal当我这样做时,它打印出整个数组几百次。 – Studento919