As you may know, you don't add things directly to a JFrame, but instead to its content panel.
您可能知道,并不直接向J Frame添加组件,而是将组件添加到它的内容面板。
Click the plus button under the content panel (right side of window), the "open" window will appear.
点击内容面板(视窗右边)的添加按钮,则打开视窗将会出现。
Copy the hyperlink into the content list widget configuration panel, as shown in Figure 12.
将超链接复制到内容列表小部件配置面板中,如图12所示。
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