Label public characteristics
ID Named Custom Label Create Script Variable Name.
Name points to the keyword value, you can find an existing Bean under this keyword. If the Scope property is given, just find it in Scope. Otherwise, lookups in various Scope according to the order of the standard: (Page, Request, Session, or Application).
Property pointers an attribute in the bean that can be retrieved. If not indicated, the value of the object itself is used.
Scope defines which range is found in which range (request, session, or application) is found. If not indicate, look up in order. Script variables (see ID) will be created in the same range.
The Struts tag also supports nested references, for example:
Property = "foo.bar.baz"
This is equivalent to the following calls:
Getfoo (). getBar (). getBAZ ();
Or as a setter:
Getfoo (). GetBar (). setbaz (value);
HTML tags are used to create an HTML input form that can interact with the Struts framework and other corresponding HTML tags. It can complete the same function with the standard HTML element. Roughly divided into the following three categories
Tags for generating basic HTML elements
Tags with generating html form
Display the label of errors or normal information
HTML tag library
label It has two properties: Locale and XHTML, both of which are not required.
Description: The resulting result depends on the locale of the Struts application located at the server. If you deploy an application to a different locale server, you don't need to change the code, and Locale will automatically adjust.
Tag
The most important attributes Page: The path of the image file, you must have a slash.
Other properties: Heignt, Width, Alt.
tag
Actions must contain an action property in the label, which is the only necessary attribute in this tab. If this property does not have this attribute, the JSP page will throw an exception. You must give this Action property to a valid value. A valid value refers to the access path of any child elements in the element in the Struts configuration file of the application. Moreover, there must be a Name property in the corresponding element, and its value is the name of the Form Bean.
Any label (
