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uniapp里textarea多行文本域实现输入计数

<template><view class="inputs"><textarea class="text1" maxlength=50 placeholder='请输入...' @input="sumfontnum"></textarea><text class="text2">{{fontNum}}/50</text></view>
</template><script>export default {data() {return {fontNum:0}},methods: {// 限制文本框字数sumfontnum(e) {console.log(e)this.fontNum = e.detail.value.length}}}
</script><style scoped>.inputs{height: 170rpx;border: 2rpx solid #EAEAEA;border-radius: 10rpx;padding-top: 34rpx;padding-left: 35rpx;padding-right: 35rpx;}.text1{width: 100%;color: #000000;height: 130rpx;font-size: 26rpx;}.text2{height: 40rpx;line-height: 40rpx;color: #000000;font-size: 20rpx;float: right;margin-top: -10rpx;}
</style>