ddp

client/main.js

@@ -1,9 +1,12 @@
 import { Template } from 'meteor/templating';
 import { ReactiveVar } from 'meteor/reactive-var';
 
+import "/lib/MyRes"
+
 import './mainLayout.html';
-import './templates/main_item.js'
+import './templates/main_item'
 import '/lib/router'
+import './templates/user_page'
 
 Template.hello.onCreated(function helloOnCreated() {
   this.counter = new ReactiveVar(0);

client/templates/main_item.js

@@ -1,5 +1,4 @@
 import "./main_item.html"
-import "/lib/MyRes"
 
 Template.mainItem.helpers({
     main_datas: function (){

client/templates/userPage.html

@@ -1,5 +0,0 @@
-<template name="userPage">
-    <div>
-        用户名：{{username}}
-    </div>
-</template>

client/templates/user_page.html

@@ -0,0 +1,5 @@
+<template name="userPage">
+    <div>
+        用户名：{{user.username}}
+    </div>
+</template>

client/templates/user_page.js

@@ -0,0 +1,9 @@
+Template.userPage.onRendered(function (){
+    this.subscribe("userById",Router.current().params._id)
+})
+
+Template.userPage.helpers({
+    user: function (){
+        return User.findOne(Router.current().params._id)
+    }
+})

lib/router.js

@@ -1,5 +1,5 @@
 import "/client/templates/loading.html"
-import "/client/templates/userPage.html"
+import "/client/templates/user_page.html"
 import "/client/templates/not_found.html"
 
 Router.configure({
@@ -11,17 +11,14 @@ Router.configure({
     }
 })
 
-Meteor.subscribe('user_res')
+// Meteor.subscribe('user_res')
 
 Router.route("/")
 
 Router.route("/nelson", {name: 'mainItem'})
 
 Router.route("/user/:_id", {
-    name: 'userPage',
+    name: 'userPage'
-    data(){
-        return User.findOne(this.params._id)
-    }
 })
 
 Router.onBeforeAction('dataNotFound',{only: 'userPage'})

server/publication.js

@@ -2,6 +2,10 @@ Meteor.publish("url_res",function () {
     return UrlRes.find()
 })
 
-Meteor.publish("user_res",function () {
+// Meteor.publish("user_res",function () {
-    return User.find()
+//     return User.find()
+// })
+
+Meteor.publish("userById",function (id) {
+    return User.find({_id:id})
 })