改进文字提示

web/views/@default/clusters/cluster/createNode.html

@@ -23,14 +23,14 @@
 			<tr>
 				<td class="title">节点名称 *</td>
 				<td>
-					<input type="text" name="name" maxlength="50" ref="focus"/>
+					<input type="text" name="name" maxlength="50" ref="focus" v-model="name" @input="changeName"/>
 				</td>
 			</tr>
 			<tr>
 				<td>IP地址 *</td>
 				<td>
 					<node-ip-addresses-box></node-ip-addresses-box>
-					<p class="comment">用于访问节点和域名解析等。</p>
+                    <p class="comment">用于访问节点和域名解析等<span v-if="defaultIP.length > 0"><strong>，如果没有填写默认为{{defaultIP}}</strong></span>。</p>
 				</td>
 			</tr>
 			<tr v-if="dnsRoutes.length > 0">

web/views/@default/clusters/cluster/createNode.js

@@ -5,6 +5,7 @@ Tea.context(function () {
 	this.sshPort = ""
 	this.grantId = 0
 	this.step = "info"
+	this.name = ""
 
 	this.success = function (resp) {
 		this.node = resp.data.node
@@ -170,4 +171,32 @@ Tea.context(function () {
 	this.createNext = function () {
 		teaweb.reload()
 	}
+
+	this.defaultIP = ""
+	this.changeName = function () {
+		if (this.validateIP(this.name)) {
+			this.defaultIP = this.name
+		} else {
+			this.defaultIP = ""
+		}
+	}
+
+	this.validateIP = function (v) {
+		// 目前只支持ipv4
+		let pieces = v.split(".")
+		if (pieces.length != 4) {
+			return false
+		}
+		for (let i = 0; i < pieces.length; i++) {
+			if (!/^\d{1,3}$/.test(pieces[i])) {
+				return false
+			}
+			let p = parseInt(pieces[i], 10)
+			if (p > 255) {
+				return false
+			}
+		}
+
+		return true
+	}
 })