1
2

 //编辑器html内容:<p><strong>1</strong></p><p><strong>2</strong></p>
 console.log(editor.getContentTxt()); //输出:"12

1
2

 //编辑器html内容:<p><strong>1</strong></p><p><strong>2</strong></p>
 console.log(editor.getPlainTxt()); //输出:"1\n2\n

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2

 //编辑器html内容:<p>1<strong>2<em>34</em>5</strong>6</p>
 var content = editor.getContent();
 //   返回值:<p>1<strong>2<em>34</em>5</strong>6</p>

1

 editor.setContent('<p>test</p>');

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 //假设设置前的编辑器内容是 <p>old text</p>
 editor.setContent('<p>new text</p>', true); //插入的结果是<p>old text</p><p>new text</p>