function resetTextareaSize() {
const { inputText } = this;
if (!/^\s*$/.test(inputText)) {
const {
textlineEl, textEl, areaOffset,
} = this;
const txts = inputText.split('\n'); // 这里默认为string类型，但当单元格中数据为number类型时会报异常
const maxTxtSize = Math.max(...txts.map(it => it.length));
const tlOffset = textlineEl.offset();
const fontWidth = tlOffset.width / inputText.length;
const tlineWidth = (maxTxtSize + 1) * fontWidth + 5;
const maxWidth = this.viewFn().width - areaOffset.left - fontWidth;
let h1 = txts.length;
if (tlineWidth > areaOffset.width) {
let twidth = tlineWidth;
if (tlineWidth > maxWidth) {
twidth = maxWidth;
h1 += parseInt(tlineWidth / maxWidth, 10);
h1 += (tlineWidth % maxWidth) > 0 ? 1 : 0;
}
textEl.css('width', ${twidth}px );
}
h1 *= this.rowHeight;
if (h1 > areaOffset.height) {
textEl.css('height', ${h1}px );
}
}
}