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📜  Java Swing-JEditorPane

📅  最后修改于: 2020-10-01 03:17:53             🧑  作者: Mango

Java JEditorPane

JEditorPane类用于创建一个简单的文本编辑器窗口。此类具有setContentType()和setText()方法。

setContentType(“ text / plain”)：此方法用于将内容类型设置为纯文本。

setText(text)：此方法用于设置初始文本内容。

嵌套类

Modifier and Type Class Description
protected class JEditorPane.AccessibleJEditorPane This class implements accessibility support for the JEditorPane class.
protected class JEditorPane.AccessibleJEditorPaneHTML This class provides support for AccessibleHypertext, and is used in instances where the EditorKit installed in this JEditorPane is an instance of HTMLEditorKit.
protected class JEditorPane.JEditorPaneAccessibleHypertextSupport What’s returned by AccessibleJEditorPaneHTML.getAccessibleText

领域

Modifier and Type Field Description
static String HONOR_DISPLAY_PROPERTIES Key for a client property used to indicate whether the default font and foreground color from the component are used if a font or foreground color is not specified in the styled text.
static String W3C_LENGTH_UNITS Key for a client property used to indicate whether w3c compliant length units are used for html rendering.

建设者

Constructor Description
JEditorPane() It creates a new JEditorPane.
JEditorPane(String url) It creates a JEditorPane based on a string containing a URL specification.
JEditorPane(String type, String text) It creates a JEditorPane that has been initialized to the given text.
JEditorPane(URL initialPage) It creates a JEditorPane based on a specified URL for input.

有用的方法

Modifier and Type Method Description
void addHyperlinkListener(HyperlinkListener listener) Adds a hyperlink listener for notification of any changes, for example when a link is selected and entered.
protected EditorKit createDefaultEditorKit() It creates the default editor kit (PlainEditorKit) for when the component is first created.
void setText(String t) It sets the text of this TextComponent to the specified content, which is expected to be in the format of the content type of this editor.
void setContentType(String type) It sets the type of content that this editor handles.
void setPage(URL page) It sets the current URL being displayed.
void read(InputStream in, Object desc) This method initializes from a stream.
void scrollToReference(String reference) It scrolls the view to the given reference location (that is, the value returned by the UL.getRef method for the URL being displayed).
void setText(String t) It sets the text of this TextComponent to the specified content, which is expected to be in the format of the content type of this editor.
String getText() It returns the text contained in this TextComponent in terms of the content type of this editor.
void read(InputStream in, Object desc) This method initializes from a stream.

JEditorPane示例

import javax.swing.JEditorPane;
import javax.swing.JFrame;

public class JEditorPaneExample {
JFrame myFrame = null;

public static void main(String[] a) {
(new JEditorPaneExample()).test();
}

private void test() {
myFrame = new JFrame("JEditorPane Test");
myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
myFrame.setSize(400, 200);
JEditorPane myPane = new JEditorPane();
myPane.setContentType("text/plain");
myPane.setText("Sleeping is necessary for a healthy body."
+ " But sleeping in unnecessary times may spoil our health, wealth and studies."
+ " Doctors advise that the sleeping at improper timings may lead for obesity during the students days.");
myFrame.setContentPane(myPane);
myFrame.setVisible(true);
}
}

输出：

JEditorPane示例：使用HTML

import javax.swing.JEditorPane;  
import javax.swing.JFrame;  
  
public class JEditorPaneExample {  
    JFrame myFrame = null;  
  
    public static void main(String[] a) {  
        (new JEditorPaneExample()).test();  
    }  
  
    private void test() {  
        myFrame = new JFrame("JEditorPane Test");  
        myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
        myFrame.setSize(400, 200);  
        JEditorPane myPane = new JEditorPane();  
        myPane.setContentType("text/html");  
        myPane.setText("
Sleeping
Sleeping is necessary for a healthy body."  
                + " But sleeping in unnecessary times may spoil our health, wealth and studies."  
                + " Doctors advise that the sleeping at improper timings may lead for obesity during the students days.
");  
        myFrame.setContentPane(myPane);  
        myFrame.setVisible(true);  
    }  
}

输出：