Spring MVC筆記(六) springMVC標簽
阿新 • • 發佈：2017-12-26
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記錄下SPRINGMVC常用的標簽，直接代碼，不解釋：
package com.bwy.springmvc.tag.textbox; /** * @author Administrator * */ public class Student { private String name; private Integer age; private Integer id; private String passWord; private String address; private boolean agree; private String gender; privateString favoriteColor; private String country; private String[] languages; public String[] getLanguages() { return languages; } public void setLanguages(String[] languages) { this.languages = languages; } public String getCountry() { return country; } public void setCountry(String country) {this.country = country; } public String getFavoriteColor() { return favoriteColor; } public void setFavoriteColor(String favoriteColor) { this.favoriteColor = favoriteColor; } public String getGender() { return gender; } public void setGender(String gender) { this.gender = gender; } private String[] favoriteSports; public String[] getFavoriteSports() { return favoriteSports; } public void setFavoriteSports(String[] favoriteSports) { this.favoriteSports = favoriteSports; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getPassWord() { return passWord; } public void setPassWord(String passWord) { this.passWord = passWord; } public String getAddress() { return address; } public void setAddress(String address) { this.address = address; } public boolean isAgree() { return agree; } public void setAgree(boolean agree) { this.agree = agree; } }
package com.bwy.springmvc.tag.textbox; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Qualifier; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.ui.ModelMap; import org.springframework.validation.BindingResult; import org.springframework.validation.Errors; import org.springframework.validation.Validator; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.WebDataBinder; import org.springframework.web.bind.annotation.InitBinder; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; @Controller public class StudentController { @InitBinder private void initBinder(WebDataBinder binder) { binder.setValidator(new StudentValidator()); } /** * 我們已經在ModelAndView對象中傳遞了一個名稱為“command”的空對象， 因為如果要在JSP中使用<form:form>標簽，spring框架需要一個名稱為“command” * 的對象文件。當調用student()方法時，它返回student.jsp視圖 * * @return */ @RequestMapping(value = "/student", method = RequestMethod.GET) public ModelAndView student() { return new ModelAndView("student", "command", new Student()); } @ModelAttribute("student") public Student createStudentModel() { return new Student(); } /** * 將在URL HelloWeb/addStudent 上的POST方法調用。將根據提交的信息準備模型對象。 最後，將從服務方法返回“result”視圖，這將渲染result.jsp 頁面。 * * @param student * @param map * @return */ @RequestMapping(value = "/addStudent", method = RequestMethod.POST) public String addStudent(@ModelAttribute("student") @Validated Student student, BindingResult bindingResult, Model map) { if (bindingResult.hasErrors()) { return "student"; } System.out.println(student.isAgree()); map.addAttribute("name", student.getName()); map.addAttribute("age", student.getAge()); map.addAttribute("id", student.getId()); map.addAttribute("passWord", student.getPassWord()); map.addAttribute("address", student.getAddress()); map.addAttribute("agree", student.isAgree()); map.addAttribute("favouriteSports", student.getFavoriteSports()); map.addAttribute("gender", student.getGender()); map.addAttribute("color", student.getFavoriteColor()); map.addAttribute("country", student.getCountry()); map.addAttribute("languages", student.getLanguages()); return "result"; } @ModelAttribute("sports") public List<String> getSports() { List<String> sports = new ArrayList<String>(); sports.add("遊泳"); sports.add("足球"); sports.add("籃球"); sports.add("跑步"); return sports; } @ModelAttribute("colors") public List<String> getColors() { List<String> colors = new ArrayList<String>(); colors.add("紅"); colors.add("黃"); colors.add("藍"); colors.add("綠"); colors.add("青"); colors.add("紫"); colors.add("白"); return colors; } @ModelAttribute("countries") public Map<String, String> getCountry() { Map<String, String> countryList = new HashMap<>(); countryList.put("CH", "中國"); countryList.put("USA", "美國"); countryList.put("TK", "土耳其"); countryList.put("BK", "巴基斯坦"); return countryList; } @ModelAttribute("languages") public List<String> getLanguages() { List<String> languageList = new ArrayList<String>(); languageList.add("漢語"); languageList.add("英語"); languageList.add("法語"); languageList.add("日語"); languageList.add("德語"); return languageList; } }
package com.bwy.springmvc.tag.textbox; import org.springframework.validation.Errors; import org.springframework.validation.ValidationUtils; import org.springframework.validation.Validator; public class StudentValidator implements Validator { @Override public boolean supports(Class<?> clazz) { return Student.class.isAssignableFrom(clazz); } @Override public void validate(Object obj, Errors errors) { ValidationUtils.rejectIfEmpty(errors, "name", null, "Field name is required."); } }
<%@ page contentType="text/html; charset=UTF-8"%> <%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%> <html> <head> <title>Spring MVC表單之-輸入框處理</title> </head> <body> <h2>學生信息</h2> <form:form method="POST" action="/SpringMVCTag/addStudent" commandName="student"> <table> <tr> <td><form:label path="name">姓名：</form:label></td> <td><form:input path="name" /></td> <td><form:errors path="name"/></td> </tr> <tr> <td><form:label path="age">年齡：</form:label></td> <td><form:input path="age" /></td> </tr> <tr> <td><form:label path="id">編號：</form:label></td> <td><form:input path="id" /></td> </tr> <tr> <td><form:label path="passWord">密碼：</form:label></td> <td><form:password path="passWord" /></td> </tr> <tr> <td><form:label path="address">地址：</form:label></td> <td><form:textarea path="address" rows="5" cols="30" /></td> </tr> <tr> <td><form:label path="agree">是否同意？</form:label></td> <td><form:checkbox path="agree" /></td> </tr> <tr> <td><form:label path="favoriteSports">喜歡的運動：</form:label></td> <td><form:checkboxes items="${sports}" path="favoriteSports" /></td> </tr> <tr> <td><form:label path="favoriteSports">性別：</form:label></td> <td><form:radiobutton path="gender" value="M" label="男" /> <form:radiobutton path="gender" value="F" label="女" /></td> </tr> <tr> <td><form:label path="favoriteSports">喜歡的顏色：</form:label></td> <td><form:radiobuttons items="${colors}" path="favoriteColor" /></td> </tr> <tr> <td><form:label path="country">國家：</form:label></td> <td><form:select path="country" > <form:option value="NONE" label="請選擇..."/> <form:options items="${countries }"/> </form:select></td> </tr> <tr> <td><form:label path="languages">語言：</form:label></td> <td><form:select items="${languages}" path="languages" multiple="true"/></td> </tr> <tr> <td colspan="2"><input type="submit" value="提交學生信息" /></td> </tr> </table> </form:form> </body> </html>
<%@page import="java.io.PrintWriter"%> <%@ page contentType="text/html; charset=UTF-8"%> <%@taglib uri="http://www.springframework.org/tags/form" prefix="form"%> <html> <head> <title>Spring MVC表單之-輸入框處理</title> </head> <body> <h2>提交的學生信息如下 -</h2> <table> <tr> <td>姓名：</td> <td>${name}</td> </tr> <tr> <td>年齡：</td> <td>${age}</td> </tr> <tr> <td>編號：</td> <td>${id}</td> </tr> <tr> <td>密碼：</td> <td>${passWord}</td> </tr> <tr> <td>地址：</td> <td>${address}</td> </tr> <tr> <td>是否同意：</td> <td>${agree}</td> </tr> <tr> <td>喜歡的運動：</td> <td><%String[] favouriteSports = (String[])request.getAttribute("favouriteSports"); for(String sprots: favouriteSports){ //PrintWriter pw = response.getWriter(); out.println(sprots); } %></td> </tr> <tr> <td>性別：</td> <td>${gender == "M"?"男":"女"}</td> </tr> <tr> <td>喜歡的顏色：</td> <td>${color}</td> </tr> <tr> <td>國家：</td> <td>${country}</td> </tr> <tr> <td>語言：</td> <td><%String[] languages = (String[])request.getAttribute("languages"); for(String language: languages){ //PrintWriter pw = response.getWriter(); out.println(language); } %></td> </tr> </table> </body> </html>
Spring MVC筆記(六) springMVC標簽