Syntax:
| <JSP: plugin type = "bean | applet" code = "classfilename" codebase = "classfiledirectoryname" [Name = "instancename"] [Archive = "uritoarchive,..."] [Align = "bottom | top | Middle | left | right"] [Height = "displaypixels"] [Width = "displaypixels"] [Hspace = "leftrightpixels"] [Vspace = "topbottompixels"] [Jreversion = "Maid number | 1.1"] [Nspluginurl = "urltoplugin"] [Iepluginurl = "urltoplugin"]> [<JSP: Params> [<JSP: Param name = "parametername" Value = "{parametervalue | <% = expression % >}"/>] + </Jsp: Params>] [<JSP: fallback> text message for user </jsp: fallback>] </Jsp: plugin> Example: <JSP: plugin type = applet code = "molecule. Class" codebase = "/html"> <JSP: Params> <JSP: Param name = "molecule" value = "molecules/benzene. mol"/> </Jsp: Params> <JSP: fallback> <P> unable to load applet </P> </Jsp: fallback> </Jsp: plugin> |
Attribute details:
| Attribute | Usage |
| Type = "bean | applet" | Type of the object to be executed by the plug-in. You must specify one in bean or applet because there is no default value for this attribute. |
| Class ="Classfilename" | Name of the Java class file to be executed by the plug-in. The name must contain the extension. The file must be in the directory specified by the "codebase" attribute. |
| Codebase = "classfiledirectoryname" | Contains the directory of the Java class that the plug-in runs or points to the path of this directory. The path of the JSP file by default. |
| Name = "InstanceName" | The name of the bean or applet instance. This makes communication between beans or applets called by the same JSP file possible. |
| Archive = "urltoarchive ,..." | List of path names separated by commas. Is the path name of the archive file pre-loaded by the class loader under the directory specified by codebase. Generally, these archive files are securely loaded through the network, which can significantly improve the performance of the applet. |
Comments and character reference habits
You can use some specific elements to insert comments and some characters that are usually used as special symbols. The following is a summary:
| Syntax | Purpose |
| <% -- Comment -- %> | JSP annotations. Will be ignored by the JSP-to-scriptlet compiler. Any embedded JSP scripting elements, ctictives, or actins will be ignored. Example: <% @ Page Language = "Java" %> |
| <! -- Comment --> | HTML annotations. Directly to the final HTML. Any embedded JSP scripting elements, directives, or actins will be executed normally. Example: <! -- This page was loaded on <% = (New java. util. Date (). tolocalestring () %> --> When you view the source code, you will see: <! -- This page was loaded on January 1, 2000 --> |
| </% | In Template text (static html), when you want to output this special symbol (<%) on the page, please write it like this. |
| %/> | Used in scripting elements, which is similar to the preceding "</%. |
| /' | The character "'" is used in the "'" attribute. Of course, you can also use "" to differentiate. Example: 'pig "fhjgj" ', or, 'pig/'fhjgj /'' |
| /" | The character "" is used in the "" attribute. Of course, you can also use "'" to differentiate. For example, "pig 'fhjgj'", or, "pig/" fhjgj /"" |
| %/> | "%>" In the property ". |
| </% | "<%" In the property ". |
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