wx.ml
<view class="con"> <textarea name="" id="" class="inputText" cols="30" rows="10" value="{{inputText}}" placeholder="(选填)留下您的评语吧~" bindinput="getInputText"></textarea> <input disabled class="textword" value="{{inputTextLen+'/100'}}" /> </view>View Code
wx.ss
.con { width: 630rpx; /* height: 250rpx; */ position: relative; margin-top: 10rpx; flex-wrap: wrap; margin-bottom: 60rpx; } .inputText { display: block; padding: 20rpx 30rpx; box-sizing: border-box; width: 682rpx; height: 250rpx; border-radius: 20rpx; border: 1rpx solid #D8D8D8; font-size: 32rpx; font-family: PingFangSC-Regular, PingFang SC; font-weight: 400; color: #222222; line-height: 32rpx; } .textword { position: absolute; right: 20rpx; bottom: 20rpx; font-size: 24rpx; font-family: PingFangSC-Regular, PingFang SC; font-weight: 400; color: #aaaaaa; line-height: 24rpx; text-align: right; }View Code
wx.js
data:{ inputText: '', inputTextLen: 0 }, //输入自动计算字体长度 getInputText: function (e) { // console.log(e.detail.value); // if (e.detail.value !== this.inputText) { // this.inputText = e.detail.value; // } let inputText = e.detail.value; if (e.detail.value.length > 100) { inputText = inputText.substring(0, 100); } this.setData({ inputText: inputText, inputTextLen: 0 || inputText.length }) },View Code