spring-mvc | 易学教程

How to send Multipart form data and upload PDF with RestTemplate Spring Boot

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问题 Good day Pals, In my microservice and spring-boot app, I have a frontend employee microservice which consumes another microservice with file upload endpoint. The calling service is based on spring rest controller and I am trying to consume a File-Upload endpoint using RestTemplate in a Spring Boot application. In a nutshell, trying to upload a PDF file. I have explored the following SO post, but its not working for me: jackson disable fail_on_empty_beans I am testing this in postman and

Store a pdf into the application file and extract to the browser Spring MVC

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问题 Hallo i manage to create a form which gives me the chance to upload a file. The code is the following: applicationContext.xml: <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">  <property name="maxUploadSize" value="100000"/> </bean> The form: <%@page contentType="text/html;charset=UTF-8" %> <%@page pageEncoding="UTF-8" %> <%@ page session="false" %> <%@ taglib prefix

Map Json Property With Period To Class Property in Spring Controller

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问题 I have a json object being sent to a controller that maps to a class model. The json contains the property below "Event.GradeBook.GradeEvent": { } How can I represent this in a class model where it will map correctly? String Event_Gradebook_GradeEvent; 回答1: Assuming you are using Spring's default Jackson deserialization, all you need to do is annotate your field with @JsonProperty . @JsonProperty(value = "Event.GradeBook.GradeEvent") private String Event_Gradebook_GradeEvent; But you should

<form:input> tag in jsp is not converting to input tag of html for map property of model class

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问题 I have Map of CategoryAttribute object in Category model class .Due to Some reason categoryAttributes map is not able bind with <form:input> tag of Spring Mvc in jsp, however category object is available to jsp page. I need to catch input of Category Attributes properties name and value to controller and persist to database how would I do that. I have tried but <form:input> tag is not converting into input field please have a look where i have done mistake thanks for helping. Category Model

How to select all check boxes using jquery in spring form

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问题 This is the spring form, how to select all the checkboxes using jquery? <form:form name="form" method="POST" commandName="da"> <table cellspacing="7"> <tr> <td>Increment DA by:</td> <td><form:input path="da" id="da"/></td> </tr> <tr> <td> <form:checkboxes items="${empids}" path="empids" delimiter="<br/>" id="empids"/> </td> </tr> <tr> <td colspan="2"><input type="submit" value="Save" ></td> </tr> </table> </form:form> 回答1: give a common class to all checkboxes and then try this... $('

Spring Mvc Rest Webservice jstl form submittion HTTP Status 415 Content type 'application/x-www-form-urlencoded' not supported

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问题 I am Using Spring Mvc Rest Webservice with JSTL form submittion. <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <%@ taglib uri="http://www.springframework.org/tags/form" prefix="form" %> <%@ taglib uri="http://www.springframework.org/tags" prefix="spring"%> <%@ page session="false" %> <html> <head> </head> <body> <form:form method="POST" action="rest/save" modelAttribute="employee"> <table> <tr><td> id &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp<form:input type="text" path="id"/> <

How to upload image to /src/main/webapp/Theme/img folder in spring

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问题 I am trying to upload a jpeg image to my spring module in /src/main/webapp/Theme/img folder. Here is my test code: @RequestMapping(value="/uploadLogo", method=RequestMethod.POST) public ModelAndView uploadLogo( @RequestParam("file") MultipartFile file,Principal principal,HttpServletRequest request){ ModelAndView model =null; if (!file.isEmpty()) { try { byte[] bytes = file.getBytes(); String webappRoot = File.separator+"pl4sms"; String relativeFolder = File.separator + "src"+ File.separator+

How to upload image to /src/main/webapp/Theme/img folder in spring

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Enable ConditionalOnProperty in a RequestMapping in Controller

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问题 I have a piece of code - @PropertySource(value = "classpath:securityConfig.properties", ignoreResourceNotFound = true) @Controller public class IndexController { private static final String LOGIN_PAGE = "login"; private static final String HOME_PAGE = "home"; private static final String LOBBY_PAGE = "lobby"; private static final String FORGOT_USER_PAGE = "forgotUserName"; private static final String FORGOT_PASSWORD_PAGE = "forgotPassWord"; @ConditionalOnProperty(name = "auth.mode",

spring MVC form action not adding project name

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问题 I am working on sample spring MVC applicaiton. created My issue is in form i mapped action to some method , but after submitting form it removes the project name and request is just becomes like: localhost:8080/addUser rather than localhost:8080/myproject/addUser Required details : web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns