chooseCommonWord(item) {
    this.insertMessage(item.content);
},
// 编辑消息(可以从中间选定光标插入消息)
insertMessage(content) {
    const input = document.getElementById('message_textarea');
    const { start, end } = this.getCursorPosition(input);
    if (start !== -1) {
        const reverseOrder = this.message.length - end;
        this.message =
            this.message.slice(0, start) + content + this.message.slice(end);
        this.commonPopupShow = false;
        this.setCursorPosition(input, this.message.length - reverseOrder);
    } else {
        // 出现兼容性问题就直接在后面追加
        this.message += content;
        input.focus();
    }
},
// 获取输入框光标位置
getCursorPosition(element) {
    let position = {
        start: -1,
        end: -1,
    };
    if (element.selectionStart || element.selectionStart === 0) {
        position.start = element.selectionStart;
        position.end = element.selectionEnd;
    }
    return position;
},
// 设置输入框光标位置
setCursorPosition(element, start, end) {
    if (element.setSelectionRange) {
        element.focus();
        setImmediate(() => {
            element.setSelectionRange(start, end ?? start);
        });
    }
}