修改多行组件限制字符行数问题

src/components/business/MulRowInput.vue

@@ -431,8 +431,9 @@ export default {
 			let checkMaxRow = _this.getCheckMaxRow ? [
 				{
 					validator: (rule, value, callback) => {
-						let scrollHeight = _this.$refs.rootDiv.$el.getElementsByClassName('el-textarea__inner')[0].scrollHeight
-						let curRows = Math.round((scrollHeight - 10) / 19.5)
+						let scrollHeight = _this.$refs.rootDiv.$el.getElementsByClassName('el-textarea__inner')[0].scrollHeight;
+						let lineHeight = _this.difFontSize ? 21*1.5 : 13*1.5;
+						let curRows = Math.round((scrollHeight - 10) / lineHeight)
 						console.log('最大行数校验：', curRows)
 						if (curRows > _this.rows) {
 							callback(new Error('输入内容不能超过' + _this.rows + '行'))