{"id":28220,"date":"2024-03-16T09:56:58","date_gmt":"2024-03-16T09:56:58","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-fastjson-string-to-an-object\/"},"modified":"2024-03-22T12:55:38","modified_gmt":"2024-03-22T12:55:38","slug":"how-to-convert-a-fastjson-string-to-an-object","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-fastjson-string-to-an-object\/","title":{"rendered":"How to convert a fastjson string to an object?"},"content":{"rendered":"<p>Using the fastjson library makes it easy to convert a JSON string into a Java object. Here is a simple example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> com.alibaba.fastjson.JSON;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Main<\/span> {\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-comment\">\/\/ JSON\u5b57\u7b26\u4e32<\/span>\r\n        <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">jsonString<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-string\">\"{\\\"name\\\":\\\"Alice\\\",\\\"age\\\":25,\\\"city\\\":\\\"Beijing\\\"}\"<\/span>;\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u5c06JSON\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aJava\u5bf9\u8c61<\/span>\r\n        <span class=\"hljs-type\">Person<\/span> <span class=\"hljs-variable\">person<\/span> <span class=\"hljs-operator\">=<\/span> JSON.parseObject(jsonString, Person.class);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u8f93\u51faJava\u5bf9\u8c61<\/span>\r\n        System.out.println(person.getName()); <span class=\"hljs-comment\">\/\/ Alice<\/span>\r\n        System.out.println(person.getAge()); <span class=\"hljs-comment\">\/\/ 25<\/span>\r\n        System.out.println(person.getCity()); <span class=\"hljs-comment\">\/\/ Beijing<\/span>\r\n    }\r\n}\r\n\r\n<span class=\"hljs-comment\">\/\/ \u5b9a\u4e49Person\u7c7b<\/span>\r\n<span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">Person<\/span> {\r\n    <span class=\"hljs-keyword\">private<\/span> String name;\r\n    <span class=\"hljs-keyword\">private<\/span> <span class=\"hljs-type\">int<\/span> age;\r\n    <span class=\"hljs-keyword\">private<\/span> String city;\r\n\r\n    <span class=\"hljs-comment\">\/\/ \u5fc5\u987b\u63d0\u4f9b\u9ed8\u8ba4\u6784\u9020\u65b9\u6cd5<\/span>\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-title function_\">Person<\/span><span class=\"hljs-params\">()<\/span> {\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> String <span class=\"hljs-title function_\">getName<\/span><span class=\"hljs-params\">()<\/span> {\r\n        <span class=\"hljs-keyword\">return<\/span> name;\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">setName<\/span><span class=\"hljs-params\">(String name)<\/span> {\r\n        <span class=\"hljs-built_in\">this<\/span>.name = name;\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">getAge<\/span><span class=\"hljs-params\">()<\/span> {\r\n        <span class=\"hljs-keyword\">return<\/span> age;\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">setAge<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">int<\/span> age)<\/span> {\r\n        <span class=\"hljs-built_in\">this<\/span>.age = age;\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> String <span class=\"hljs-title function_\">getCity<\/span><span class=\"hljs-params\">()<\/span> {\r\n        <span class=\"hljs-keyword\">return<\/span> city;\r\n    }\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">setCity<\/span><span class=\"hljs-params\">(String city)<\/span> {\r\n        <span class=\"hljs-built_in\">this<\/span>.city = city;\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>In the code above, we first define a Person class that includes three properties: name, age, and city. Then, we use the JSON.parseObject() method from fastjson to convert a JSON string into a Person object. Finally, we can access the property values by using the getter methods of the Person object.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Using the fastjson library makes it easy to convert a JSON string into a Java object. Here is a simple example: import com.alibaba.fastjson.JSON; public class Main { public static void main(String[] args) { \/\/ JSON\u5b57\u7b26\u4e32 String jsonString = &#8220;{\\&#8221;name\\&#8221;:\\&#8221;Alice\\&#8221;,\\&#8221;age\\&#8221;:25,\\&#8221;city\\&#8221;:\\&#8221;Beijing\\&#8221;}&#8221;; \/\/ \u5c06JSON\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aJava\u5bf9\u8c61 Person person = JSON.parseObject(jsonString, Person.class); \/\/ \u8f93\u51faJava\u5bf9\u8c61 System.out.println(person.getName()); \/\/ Alice System.out.println(person.getAge()); \/\/ 25 System.out.println(person.getCity()); [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-28220","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to convert a fastjson string to an object? - 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\/blog\/how-to-convert-a-fastjson-string-to-an-object\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to convert a fastjson string to an object?\" \/>\n<meta property=\"og:description\" content=\"Using the fastjson library makes it easy to convert a JSON string into a Java object. Here is a simple example: import com.alibaba.fastjson.JSON; public class Main { public static void main(String[] args) { \/\/ JSON\u5b57\u7b26\u4e32 String jsonString = &quot;{&quot;name&quot;:&quot;Alice&quot;,&quot;age&quot;:25,&quot;city&quot;:&quot;Beijing&quot;}&quot;; \/\/ \u5c06JSON\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aJava\u5bf9\u8c61 Person person = JSON.parseObject(jsonString, Person.class); \/\/ \u8f93\u51faJava\u5bf9\u8c61 System.out.println(person.getName()); \/\/ Alice System.out.println(person.getAge()); \/\/ 25 System.out.println(person.getCity()); [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-fastjson-string-to-an-object\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-16T09:56:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-22T12:55:38+00:00\" \/>\n<meta name=\"author\" content=\"Ava Mitchell\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ava Mitchell\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-fastjson-string-to-an-object\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-fastjson-string-to-an-object\/\"},\"author\":{\"name\":\"Ava Mitchell\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/a3e2658c2cb9fb2be95ae0a8861f4a64\"},\"headline\":\"How to convert a fastjson string to an object?\",\"datePublished\":\"2024-03-16T09:56:58+00:00\",\"dateModified\":\"2024-03-22T12:55:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-fastjson-string-to-an-object\/\"},\"wordCount\":82,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-fastjson-string-to-an-object\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-convert-a-fastjson-string-to-an-object\/\",\"name\":\"How to convert a fastjson string to an object? 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