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。但每次我初始化。这样做是对的吗?
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);
答案 0 :(得分:2)
您可以拥有多个EventSource,唯一的限制是您希望使用客户端浏览器的难度以及基础架构可以处理的打开连接数量。