This article mainly introduces the WeChat applet in detailForm verificationThe error prompt effect. Click to confirm to publish the error prompt that cannot be empty. It has certain reference value. Interested friends can refer to it. Verify the form of the
WeChat applet, click Confirm to publish the error message that cannot be empty, the specific content is as follows
The following is the rendering:
The code is as follows:
WXML:
{{popErrorMsg}}
WXSS:
page{background: #f4f4f4;} .ad_popHd{height: 76rpx; line-height: 76rpx; font-size: 32rpx;text-align: center; border-bottom: 1px solid #cdd1cd; padding: 0 20rpx;color: #202120;} .ad_popFt{ margin: 20rpx ; margin-top: 50rpx;} .ad_popArea{ width: 708rpx; height:400rpx;font-size:30rpx;padding: 20rpx; box-sizing: border-box; -webkit-box-sizing: border-box; line-height: 40rpx; color: #333; background: #fff; } .ad_popCout{ color: #969899; font-size: 24rpx; text-align: right; line-height: 58rpx; padding: 0 20rpx;} .informBtn{background: #09bb07;color: #fff;font-size: 34rpx; margin-top: 38rpx;height: 88rpx;} .one_stars{color: #999;} .one_star{font-size: 20rpx;color: #999;} .danger{ color: #f64400;} .ad_popError{ background: #de352d; color: #fff; height: 58rpx; line-height: 58rpx; font-size: 24rpx; text-align: center; position: absolute; left: 0; top: 0; width: 100%; z-index:3;}
JS:
// pages/informLeaveMsg/informLeaveMsg.js Page({ /** * 页面的初始数据 */ data: { }, //确认发布 goDetail:function(e){ setTimeout(()=>{ var subValue = e.detail.value.textarea console.log(subValue) if (subValue == null || subValue == "") { console.log("不能为空") this.setData( { popErrorMsg: "发布的留言内容不能为空" } ); this.ohShitfadeOut(); return; } },100) }, ohShitfadeOut() { var fadeOutTimeout = setTimeout(() => { this.setData({ popErrorMsg: '' }); clearTimeout(fadeOutTimeout); }, 3000); }, })
【Related recommendations】
1.WeChat public account platform source code download
2.Xiaozhu CMS Life Tong O2O system v2.0 Exclusive Edition Download
3.WeChat People Network v3.4.5 Advanced Commercial Edition WeChat Rubik’s Cube Source
The above is the detailed content of Form verification example tutorial for mini program development. For more information, please follow other related articles on the PHP Chinese website!