first commit

2024-11-29 20:54:53 +08:00
commit 55df3d398c
42 changed files with 1857 additions and 0 deletions
--- a/js/http/index.js
+++ b/js/http/index.js
@@ -0,0 +1,57 @@
+class Ajax {
+
+    xhr = new XMLHttpRequest()
+
+    get(option) {
+        return new Promise((success, error) => {
+            var params = ""
+            for (const key in option.data) {
+                params += `&${key}=${option.data[key]}`
+            }
+            params = params.replace("&", "?")
+
+            // option.url == /home/hot?id=1
+            this.xhr.open("GET", `${config.checkUrl()}${option.url}${params}`)
+
+            this.xhr.send()
+            this.stateChange(success, error)
+        })
+    }
+
+    post(option) {
+        return new Promise((success, error) => {
+            this.xhr.open("POST", option.url)
+            this.xhr.setRequestHeader("Content-Type", "application/json")
+            // post 参数在请求体(body)中发送
+            this.xhr.send(JSON.stringify(option.data))
+            this.stateChange(success, error)
+        })
+    }
+
+    stateChange(suc, err) {
+        this.xhr.onreadystatechange = () => {
+            if (this.xhr.readyState == 4) {
+                if (this.xhr.status == 200) {
+                    let res = JSON.parse(this.xhr.response)
+                    switch (res.status) {
+                        case 200:
+                            suc(res.data)
+                            break;
+
+                        case 404:
+                            alert(res.message)
+                            err(this.xhr)
+                            break;
+
+                        default:
+                            break;
+                    }
+                    suc()
+                } else {
+                    err(this.xhr)
+                }
+            }
+        }
+    }
+
+}