Java开发网 - 如何把JTextArea里的内容清空或用其他字符串赋值？还有怎么设成不可编辑？

Topic: 如何把JTextArea里的内容清空或用其他字符串赋值？还有怎么设成不可编辑？

1.如何把JTextArea里的内容清空或用其他字符串赋值？还有怎么设成不可编辑？	Copy to clipboard
Posted by: shsen Posted on: 2003-04-04 11:36 该类里没有这些方法，只有一个replaceRange(String str, int start, int end)，但那个end好象很难知道用什么值。我要全部替换。

2.Re:如何把JTextArea里的内容清空或用其他字符串赋值？还有怎么设成不可编辑？ [Re: shsen]	Copy to clipboard
Posted by: jiangns3000 Posted on: 2003-04-04 13:16 JTextArea TA1 = new JTextArea(); 1）清空： TA1.setText(""); 2）其它串如：Str1 TA1.setText(Str1); 3)不可编辑： TA1.setEditable(false);

3.Re:如何把JTextArea里的内容清空或用其他字符串赋值？还有怎么设成不可编辑？ [Re: shsen]	Copy to clipboard
Posted by: snowbug Posted on: 2003-04-05 06:20 JTextArea is the sub-class of JTextComponent so you can use all the method defined in the JTextComponent, such as setText(null), setEditable(boolean), etc.

4.Re:如何把JTextArea里的内容清空或用其他字符串赋值？还有怎么设成不可编辑？ [Re: shsen]	Copy to clipboard
Posted by: looker Posted on: 2003-04-08 22:01 shsen,java api doc is very helpful. Recommend you to download and take it as reference while coding. You can find all of the api you want .

5.Re:如何把JTextArea里的内容清空或用其他字符串赋值？还有怎么设成不可编辑？ [Re: looker]

Copy to clipboard

Posted by: Jove
Posted on: 2003-04-08 22:34

looker wrote:
shsen,java api doc is very helpful. Recommend you to download and take it as reference while coding. You can find all of the api you want .

nod, 不过我经常用的是chm格式的api doc, 好处是直接在索引栏中输入setSize,就会调转到相应的apidoc, 效率比较高
另外一个就是JBuilder加上ProductityPro插件, 显示光标的api doc