云端数据库增加非空判断

examples/hello-mui/examples/clouddb_wilddog.html

@@ -91,7 +91,7 @@
 						<input type="text" class="mui-input-clear" id="col2" placeholder="请输入">
 					</div>
 					<div class="mui-input-row">
-						<label>字段2：</label>
+						<label>字段3：</label>
 						<input type="text" class="mui-input-clear" id="col3" placeholder="请输入">
 					</div>
 				</form>
@@ -106,6 +106,12 @@
 		</div>
 		
 		<script type="text/javascript">
+		
+			function trim(str){ //删除左右两端的空格
+		　　     return str.replace(/(^\s*)|(\s*$)/g, "");
+		　　 }
+		
+		
 			var network = false;
 			var ref = null;
 			mui.plusReady(function () {
@@ -150,6 +156,16 @@
 				if(!ref){
 					mui.toast("当前网络不给力，请稍后再试");
 				}else{
+					var check = true;
+					mui(".mui-input-group input").each(function () {
+						if(!this.value||trim(this.value)==""){
+							var label = this.previousElementSibling;
+							mui.alert(label.innerText+"不允许为空");
+							check = false;
+							return false;
+						}
+					});
+					if(check){
 						var newRef = ref.push({
 							"col1": col1.value,
 							"col2": col2.value,
@@ -162,9 +178,20 @@
 						//刷新界面
 						getList();
 					}
+				}
 				
 			});
 			document.getElementById("update").addEventListener("tap", function() {
+				var check = true;
+				mui(".mui-input-group input").each(function () {
+					if(!this.value||trim(this.value)==""){
+						var label = this.previousElementSibling;
+						mui.alert(label.innerText+"不允许为空");
+						check = false;
+						return false;
+					}
+				});
+				if(check){
 					var newRef = ref.child(document.getElementById("col1").getAttribute("demoid"));
 					newRef.update({
 						"col1": col1.value,
@@ -177,6 +204,7 @@
 					mui.toast("修改成功~");
 					//刷新界面
 					getList();
+				}
 			})
 			document.getElementById("del").addEventListener("tap", function() {
 				var newRef = ref.child(document.getElementById("col1").getAttribute("demoid"));