{"id":39644,"date":"2023-03-18T22:05:59","date_gmt":"2023-03-28T00:35:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8spring%e6%a1%86%e6%9e%b6%e4%b8%ad%e7%9a%84%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%84%e6%9d%a5%e4%b8%8a%e4%bc%a0%e5%9b%be%e5%83%8f%e3%80%82\/"},"modified":"2024-04-29T19:30:24","modified_gmt":"2024-04-29T11:30:24","slug":"%e4%bd%bf%e7%94%a8spring%e6%a1%86%e6%9e%b6%e4%b8%ad%e7%9a%84%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%84%e6%9d%a5%e4%b8%8a%e4%bc%a0%e5%9b%be%e5%83%8f%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8spring%e6%a1%86%e6%9e%b6%e4%b8%ad%e7%9a%84%e6%96%87%e4%bb%b6%e8%b7%af%e5%be%84%e6%9d%a5%e4%b8%8a%e4%bc%a0%e5%9b%be%e5%83%8f%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Spring\u6846\u67b6\u4e2d\u7684\u6587\u4ef6\u8def\u5f84\u6765\u4e0a\u4f20\u56fe\u50cf"},"content":{"rendered":"

\u684c\u5b50<\/h1>\n
CREATE<\/span> TABLE<\/span> images<\/span> (<\/span>\r\n  id<\/span> INT<\/span> AUTO_INCREMENT<\/span> PRIMARY<\/span> KEY<\/span>,<\/span>\r\n  name<\/span> VARCHAR<\/span>(<\/span>255<\/span>)<\/span> NOT<\/span> NULL<\/span>,<\/span>\r\n  file_path<\/span> VARCHAR<\/span>(<\/span>255<\/span>)<\/span> NOT<\/span> NULL<\/span>\r\n);<\/span>\r\n\r\n<\/code><\/pre>\n
\u5b9e\u4f53<\/h1>\n
import<\/span> jakarta.persistence.Column<\/span>;<\/span>\r\nimport<\/span> jakarta.persistence.Entity<\/span>;<\/span>\r\nimport<\/span> jakarta.persistence.GeneratedValue<\/span>;<\/span>\r\nimport<\/span> jakarta.persistence.GenerationType<\/span>;<\/span>\r\nimport<\/span> jakarta.persistence.Id<\/span>;<\/span>\r\nimport<\/span> jakarta.persistence.Table<\/span>;<\/span>\r\n\r\n@Entity<\/span>\r\n@Table<\/span>(<\/span>name<\/span> =<\/span> \"images\"<\/span>)<\/span>\r\npublic<\/span> class<\/span> ImageEntity<\/span> {<\/span>\r\n    @Id<\/span>\r\n    @GeneratedValue<\/span>(<\/span>strategy<\/span> =<\/span> GenerationType<\/span>.<\/span>IDENTITY<\/span>)<\/span>\r\n    private<\/span> Long<\/span> id<\/span>;<\/span>\r\n    @Column<\/span>(<\/span>name<\/span> =<\/span> \"name\"<\/span>)<\/span>\r\n    private<\/span> String<\/span> name<\/span>;<\/span> \/\/ \u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u540d<\/span>\r\n    @Column<\/span>(<\/span>name<\/span> =<\/span> \"file_path\"<\/span>)<\/span>\r\n    private<\/span> String<\/span> filePath<\/span>;<\/span> \/\/ \u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306e\u30d1\u30b9<\/span>\r\n\tpublic<\/span> Long<\/span> getId<\/span>()<\/span> {<\/span>\r\n\t\treturn<\/span> id<\/span>;<\/span>\r\n\t}<\/span>\r\n\tpublic<\/span> void<\/span> setId<\/span>(<\/span>Long<\/span> id<\/span>)<\/span> {<\/span>\r\n\t\tthis<\/span>.<\/span>id<\/span> =<\/span> id<\/span>;<\/span>\r\n\t}<\/span>\r\n\tpublic<\/span> String<\/span> getName<\/span>()<\/span> {<\/span>\r\n\t\treturn<\/span> name<\/span>;<\/span>\r\n\t}<\/span>\r\n\tpublic<\/span> void<\/span> setName<\/span>(<\/span>String<\/span> name<\/span>)<\/span> {<\/span>\r\n\t\tthis<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n\t}<\/span>\r\n\tpublic<\/span> String<\/span> getFilePath<\/span>()<\/span> {<\/span>\r\n\t\treturn<\/span> filePath<\/span>;<\/span>\r\n\t}<\/span>\r\n\tpublic<\/span> void<\/span> setFilePath<\/span>(<\/span>String<\/span> filePath<\/span>)<\/span> {<\/span>\r\n\t\tthis<\/span>.<\/span>filePath<\/span> =<\/span> filePath<\/span>;<\/span>\r\n\t}<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
\u4ed3\u5e93<\/h1>\n
import<\/span> org.springframework.data.jpa.repository.JpaRepository<\/span>;<\/span>\r\n\r\npublic<\/span> interface<\/span> ImageRepository<\/span> extends<\/span> JpaRepository<\/span><<\/span>ImageEntity<\/span>,<\/span> Long<\/span>><\/span> {<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u63a7\u5236\u5668<\/h1>\n
import<\/span> org.springframework.beans.factory.annotation.Autowired<\/span>;<\/span>\r\nimport<\/span> org.springframework.stereotype.Controller<\/span>;<\/span>\r\nimport<\/span> org.springframework.web.bind.annotation.*<\/span>;<\/span>\r\nimport<\/span> org.springframework.web.multipart.MultipartFile<\/span>;<\/span>\r\nimport<\/span> org.springframework.web.servlet.mvc.support.RedirectAttributes<\/span>;<\/span>\r\n\r\nimport<\/span> java.io.File<\/span>;<\/span>\r\nimport<\/span> java.io.IOException<\/span>;<\/span>\r\nimport<\/span> java.nio.file.Files<\/span>;<\/span>\r\nimport<\/span> java.nio.file.Path<\/span>;<\/span>\r\nimport<\/span> java.nio.file.StandardCopyOption<\/span>;<\/span>\r\n\r\n@Controller<\/span>\r\npublic<\/span> class<\/span> ImageUploadController<\/span> {<\/span>\r\n\r\n    @Autowired<\/span>\r\n    private<\/span> ImageRepository<\/span> imageRepository<\/span>;<\/span>\r\n\r\n    private<\/span> static<\/span> final<\/span> String<\/span> UPLOAD_DIR<\/span> =<\/span> \"uploads\"<\/span>;<\/span> \/\/ \u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u5148\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea<\/span>\r\n\r\n    @GetMapping<\/span>(<\/span>\"\/\"<\/span>)<\/span>\r\n    public<\/span> String<\/span> index<\/span>()<\/span> {<\/span>\r\n        return<\/span> \"upload\"<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    @PostMapping<\/span>(<\/span>\"\/upload\"<\/span>)<\/span>\r\n    public<\/span> String<\/span> uploadFile<\/span>(<\/span>@RequestParam<\/span>(<\/span>\"file\"<\/span>)<\/span> MultipartFile<\/span> file<\/span>,<\/span> RedirectAttributes<\/span> redirectAttributes<\/span>)<\/span> {<\/span>\r\n        try<\/span> {<\/span>\r\n            \/\/ \u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3001\u4f5c\u6210<\/span>\r\n            File<\/span> uploadDir<\/span> =<\/span> new<\/span> File<\/span>(<\/span>UPLOAD_DIR<\/span>);<\/span>\r\n            if<\/span> (!<\/span>uploadDir<\/span>.<\/span>exists<\/span>())<\/span> {<\/span>\r\n                uploadDir<\/span>.<\/span>mkdirs<\/span>();<\/span>\r\n            }<\/span>\r\n\r\n            \/\/ \u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u306e\u4fdd\u5b58\u5148\u30d1\u30b9<\/span>\r\n            String<\/span> filePath<\/span> =<\/span> UPLOAD_DIR<\/span> +<\/span> File<\/span>.<\/span>separator<\/span> +<\/span> file<\/span>.<\/span>getOriginalFilename<\/span>();<\/span>\r\n\r\n            \/\/ \u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u30c7\u30a3\u30b9\u30af\u306b\u4fdd\u5b58<\/span>\r\n            Path<\/span> destination<\/span> =<\/span> new<\/span> File<\/span>(<\/span>filePath<\/span>).<\/span>toPath<\/span>();<\/span>\r\n            Files<\/span>.<\/span>copy<\/span>(<\/span>file<\/span>.<\/span>getInputStream<\/span>(),<\/span> destination<\/span>,<\/span> StandardCopyOption<\/span>.<\/span>REPLACE_EXISTING<\/span>);<\/span>\r\n\r\n            \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30d5\u30a1\u30a4\u30eb\u30e1\u30bf\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58<\/span>\r\n            ImageEntity<\/span> imageEntity<\/span> =<\/span> new<\/span> ImageEntity<\/span>();<\/span>\r\n            imageEntity<\/span>.<\/span>setName<\/span>(<\/span>file<\/span>.<\/span>getOriginalFilename<\/span>());<\/span>\r\n            imageEntity<\/span>.<\/span>setFilePath<\/span>(<\/span>filePath<\/span>);<\/span>\r\n            imageRepository<\/span>.<\/span>save<\/span>(<\/span>imageEntity<\/span>);<\/span>\r\n\r\n            redirectAttributes<\/span>.<\/span>addFlashAttribute<\/span>(<\/span>\"message\"<\/span>,<\/span> \"File uploaded successfully!\"<\/span>);<\/span>\r\n        }<\/span> catch<\/span> (<\/span>IOException<\/span> e<\/span>)<\/span> {<\/span>\r\n            redirectAttributes<\/span>.<\/span>addFlashAttribute<\/span>(<\/span>\"error\"<\/span>,<\/span> \"Failed to upload file: \"<\/span> +<\/span> e<\/span>.<\/span>getMessage<\/span>());<\/span>\r\n        }<\/span>\r\n\r\n        return<\/span> \"redirect:\/\"<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
HTML (Hypertext Markup Language) \u53ef\u4ee5\u8fdb\u884c\u7f51\u9875\u7684\u6807\u8bb0\u548c\u5e03\u5c40\u3002<\/h1>\n
<!DOCTYPE html><\/span>\r\n<html<\/span> xmlns:th=<\/span>\"http:\/\/www.thymeleaf.org\"<\/span>><\/span>\r\n<head><\/span>\r\n    <meta<\/span> charset=<\/span>\"UTF-8\"<\/span>><\/span>\r\n    <title><\/span>\u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/title><\/span>\r\n<\/head><\/span>\r\n<body><\/span>\r\n    <h1><\/span>\u753b\u50cf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/h1><\/span>\r\n    <form<\/span> th:action=<\/span>\"@{\/upload}\"<\/span> method=<\/span>\"post\"<\/span> enctype=<\/span>\"multipart\/form-data\"<\/span>><\/span>\r\n        <input<\/span> type=<\/span>\"file\"<\/span> name=<\/span>\"file\"<\/span> accept=<\/span>\"image\/*\"<\/span>><\/span>\r\n        <input<\/span> type=<\/span>\"submit\"<\/span> value=<\/span>\"\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\"<\/span>><\/span>\r\n    <\/form><\/span>\r\n    \r\n    <div<\/span> th:if=<\/span>\"${message}\"<\/span> class=<\/span>\"success\"<\/span>><\/span>\r\n        <p<\/span> th:text=<\/span>\"${message}\"<\/span>><\/p><\/span>\r\n    <\/div><\/span>\r\n    \r\n    <div<\/span> th:if=<\/span>\"${error}\"<\/span> class=<\/span>\"error\"<\/span>><\/span>\r\n        <p<\/span> th:text=<\/span>\"${error}\"<\/span>><\/p><\/span>\r\n    <\/div><\/span>\r\n<\/body><\/span>\r\n<\/html><\/span>\r\n\r\n<\/code><\/pre>\n
\u6784\u5efa.gradle\u6587\u4ef6\u3002<\/h1>\n
plugins<\/span> {<\/span>\r\n\tid<\/span> 'java'<\/span>\r\n\tid<\/span> 'org.springframework.boot'<\/span> version<\/span> '3.1.3'<\/span>\r\n\tid<\/span> 'io.spring.dependency-management'<\/span> version<\/span> '1.1.3'<\/span>\r\n}<\/span>\r\n\r\ngroup<\/span> =<\/span> 'com.demo'<\/span>\r\nversion<\/span> =<\/span> '0.0.1-SNAPSHOT'<\/span>\r\n\r\njava<\/span> {<\/span>\r\n\tsourceCompatibility<\/span> =<\/span> '17'<\/span>\r\n}<\/span>\r\n\r\nconfigurations<\/span> {<\/span>\r\n\tcompileOnly<\/span> {<\/span>\r\n\t\textendsFrom<\/span> annotationProcessor<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n\r\nrepositories<\/span> {<\/span>\r\n\tmavenCentral<\/span>()<\/span>\r\n}<\/span>\r\n\r\ndependencies<\/span> {<\/span>\r\n\timplementation<\/span> 'org.springframework.boot:spring-boot-starter-data-jdbc'<\/span>\r\n\timplementation<\/span> 'org.springframework.boot:spring-boot-starter-data-jpa'<\/span>\r\n\timplementation<\/span> 'org.springframework.boot:spring-boot-starter-jdbc'<\/span>\r\n\timplementation<\/span> 'org.springframework.boot:spring-boot-starter-thymeleaf'<\/span>\r\n\timplementation<\/span> 'org.springframework.boot:spring-boot-starter-validation'<\/span>\r\n\timplementation<\/span> 'org.springframework.boot:spring-boot-starter-web'<\/span>\r\n\timplementation<\/span> 'org.mybatis.spring.boot:mybatis-spring-boot-starter:3.0.2'<\/span>\r\n\tcompileOnly<\/span> 'org.projectlombok:lombok'<\/span>\r\n\tdevelopmentOnly<\/span> 'org.springframework.boot:spring-boot-devtools'<\/span>\r\n\truntimeOnly<\/span> 'com.mysql:mysql-connector-j'<\/span>\r\n\tannotationProcessor<\/span> 'org.projectlombok:lombok'<\/span>\r\n\ttestImplementation<\/span> 'org.springframework.boot:spring-boot-starter-test'<\/span>\r\n\ttestImplementation<\/span> 'org.mybatis.spring.boot:mybatis-spring-boot-starter-test:3.0.2'<\/span>\r\n}<\/span>\r\n\r\ntasks<\/span>.<\/span>named<\/span>(<\/span>'test'<\/span>)<\/span> {<\/span>\r\n\tuseJUnitPlatform<\/span>()<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5e94\u7528\u7a0b\u5e8f\u5c5e\u6027<\/h1>\n
spring.datasource.url=jdbc:mysql:\/\/localhost:3306\/\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u540d\r\nspring.datasource.username=\u30e6\u30fc\u30b6\u30fc\u540d\r\nspring.datasource.password=\u30d1\u30b9\u30ef\u30fc\u30c9\r\nspring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver\r\nspring.jpa.hibernate.ddl-auto=update\r\n<\/code><\/pre>\n
\u56fe\u50cf<\/h1>\n
\"image.png\"<\/div>\n
\u67e5\u8be2\u6570\u636e\u5e93<\/h1>\n
\"image.png\"<\/div>\n","protected":false},"excerpt":{"rendered":"
\u684c\u5b50 CREATE TABLE images ( id INT AUTO_INCREMENT PRIMARY  […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39644","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528Spring\u6846\u67b6\u4e2d\u7684\u6587\u4ef6\u8def\u5f84\u6765\u4e0a\u4f20\u56fe\u50cf - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528spring\u6846\u67b6\u4e2d\u7684\u6587\u4ef6\u8def\u5f84\u6765\u4e0a\u4f20\u56fe\u50cf\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Spring\u6846\u67b6\u4e2d\u7684\u6587\u4ef6\u8def\u5f84\u6765\u4e0a\u4f20\u56fe\u50cf\" \/>\n<meta property=\"og:description\" content=\"\u684c\u5b50 CREATE TABLE images ( id INT AUTO_INCREMENT PRIMARY […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528spring\u6846\u67b6\u4e2d\u7684\u6587\u4ef6\u8def\u5f84\u6765\u4e0a\u4f20\u56fe\u50cf\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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