it is said to be a local variable
count<% %>
it is said to be a local variable
count<% %>
this is a typical mix of front and back writing, not only in jsp,php but also in this way. You can think of it this way. <% > the part inside belongs to java,. You can think of it as a large global namespace, with static pages on the outside. When the user requests a web page, the program executes the <% > part, and then the rendering is rendered (for example, the <% = count% > below shows the contents of the variables executed above), and then the user can see the results of the web page.
for example: can the taglib tag library url address in jsp be remote? Can it be local, too? What s the difference? ...
I set up a page to query the background data and put a button on the page. I hope that after pressing the button, I can get the corresponding data through JSP and fill it back into the text input box of the html page. How can I do that? ...
use iframe as a pop-up box in a jsp project, and the contents will not be displayed every time you click out! It will only be displayed when you need to change the size of the window. I don t know why! ...
compile tomcat 8.5 source code successfully, start successfully, access localhost:8080 Times Unable to compile class for JSP error. Access to non-jsp (such as ico,png) resources is normal. configure environment: : : used solution: when searching...
several pages are packaged with vue-cil and published to the java server. The value sent by, spring mvc to vue,vue has not been received. Can vue use ${variable} to receive the value? Because the page developed by vue is released to the backend, and the ...
Jump to the second arrow when executing to the first arrow. The imported jdbc is fine because you can output the console information of the connection servletClassNotFoundException? ...
all the data queried in the database are stored in userid,. I want to display username on the page do you have to cycle through the list every time to add a column of usernames, or is there a better way? ...
how do you want to call the function in the green box in the file in the red box? ...
the issue that the development tool I use is eclipse, may have nothing to do with open tools, but it s worth mentioning. As shown in figure 1, an index.jsp file is created under WebContent, and an index.jsp file is also created in WebContent s WEB-INF...
as shown in figure 1, all the jsp files are placed under WEB-INF, and index.jsp is the main page. You want to jump from the main page to the product page where products.jsp, is also under WEB-INF. If you directly use or on the main page, you cannot ac...
instances of the same name that implement the javabean specification are prohibited in the same domain (even if the classes of the instances are different), right? When searching in the < jsp:useBean > tag, if you encounter an instance that implements...
see a lot of descriptions that servlet can handle almost all types of requests, but mostly only http. So you want to know what other requests servlet can handle? It is best to enumerate related classes. ...
Does the child window refer to clicking on the link without jumping out of the window and constantly entering the link? if you click a link and jump to a new page, this is a new parent window, that is, the beginning of a session? ...
the style on the jsp page cannot be displayed, and the access always reports an error and cannot find the path. The file directory and related code are as follows: <link rel="favicon" href="${pageContext.request.contextPath} assets...
uric:outJavaWeb,jstl1.2jarlib,.maven only those built with this selected one have these problems. I have also looked up some like https: stackoverflow.com que. like https: stackoverflow.com que. wow, I think it would be nice if it could be sol...
< H2 > it is well known: < H2 > 1, Source file (.java) compiled into bytecode file (.class) 2 using javac.exe tool included with JDK. JRE does not come with javac.exe tool, but only java.exe tool . < H2 > question < H2 > my project i...
<c:forEach items="${zhiweilist}" var="bean"> <tr> <td><a href="-sharp-sharp-sharp-sharp" onclick="zhiweishow(${bean.id })">${bean.zhiweileibie.name }< a><...
the jsp code is as follows, only traversing to level 3, level 4567 to continue to repeat the code is too much, is there a good solution? having no parent id is a first-level menu, having a parent id without url is a second-level menu with child menus, ...
it is OK to download the file locally, but what is downloaded from the Linux server is the content of the jsp page, and the content in the downloaded Excel file is the content displayed in jsp related codes ...
recently took over an old jsp project with new requirements. Considering that the project will definitely be refactored in the future, I want to use vue to write the requirements, but I don t know how to set the vue code in jsp. Which boss has had such ...