我有一个包含用户详细信息的数据库,然后在页面中单独列出它们。我正在使用服务器发送的事件来调用它们。但是每次我初始化时。这样做对吗?
if (!!window.EventSource) {
var source = new EventSource("get_vacation_days.php");
} else {
alert("Your browser does not support Server-sent events! Please upgrade it!");
}
source.addEventListener("message", function(e) {
getVacationDays(e.data);
}, false);
source.addEventListener("open", function(e) {
console.log("Connection was opened.");
}, false);
source.addEventListener("error", function(e) {
console.log("Error: " );
console.log(e);
}, false);
接下来的数据:
if (!!window.EventSource) {
var source = new EventSource("get_days_in_company.php");
} else {
alert("Your browser does not support Server-sent events! Please upgrade it!");
}
source.addEventListener("message", function(e) {
getDaysInCompany(e.data);
}, false);
source.addEventListener("open", function(e) {
console.log("Connection was opened.");
}, false);
source.addEventListener("error", function(e) {
console.log("Error: " );
console.log(e);
}, false);
您可以有多个 EventSource,唯一的限制是您希望在客户端的浏览器中工作多少,以及您的基础架构可以处理多少打开的连接。