This article mainly introduces the WeChat applet form verification error prompt effect in detail. Click to confirm to publish the error message that cannot be empty. It has certain reference value. Interested friends can refer to it
WeChat mini-program form verification, click Confirm to publish an 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); }, })
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