![\"\"](\"https:\/\/cns72.com\/vytcdc.com.sg\/wp-content\/uploads\/2020\/11\/crud2.jpg\")
<\/p>\n<\/p>\n
This Blog describes how you can create crud application using JPA repositories without writing any boilerplate code.<\/p>\n
Using Springboot,Spring Data JPA, and Hibernate.<\/p>\n
This spring data JPA is like magic which we don\u2019t want to write any code in doing crud operation because it has some inbuilt method just we need to call it.<\/p>\n
Findall()<\/span> Let see the example for creating curd application with springboot and spring data JPA.<\/p>\n For saving data<\/strong><\/p>\n Html form<\/p>\n <%@ page language=“java”<\/em> contentType=“text\/html; charset=ISO-8859-1”<\/em><\/span> <\/style><\/span> <input type=“submit”<\/em> name=“pwd”<\/em> value=“Save”<\/em> class=“btn btn-primary btn-block”<\/em>><\/span> Controller Code<\/strong><\/p>\n @Autowired<\/span> @GetMapping(“\/userRegister”)<\/span> }<\/span><\/p>\n \/\/Saving data<\/span><\/p>\n @PostMapping(“\/savePatient”)<\/span> return<\/strong> “login”;<\/span><\/p>\n }<\/span><\/p>\n \/\/Fetching data<\/strong><\/span><\/p>\n @GetMapping(“\/dept”)<\/span> return<\/strong> “doctorlist”;<\/span><\/p>\n }<\/span><\/p>\n Entity Creation<\/strong><\/p>\n @Entity<\/span> @Id<\/span> private<\/strong> int<\/strong> id;<\/span> \u2026\u2026\u2026\u2026\u2026\u2026.<\/p>\n \u2026\u2026\u2026\u2026\u2026.<\/p>\n Repository Creation<\/strong><\/p>\n import<\/strong> org.springframework.data.jpa.repository.JpaRepository;<\/span> public<\/strong> interface<\/strong> Patientrepo extends<\/strong> JpaRepository<Patient, Integer>{<\/span><\/p>\n }<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" Spring Data JPA This Blog describes how you can create crud application using JPA repositories without writing any boilerplate code. Using Springboot,Spring Data JPA, and Hibernate. This spring data JPA is like magic which we don\u2019t want to write any code in doing crud operation because it has some inbuilt method just we need to […]<\/p>\n","protected":false},"author":1,"featured_media":3905,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[63],"tags":[],"yoast_head":"\n
\nFindbyid()<\/span>
\nSave()<\/span>
\nDeletebyid()<\/span>
\nUpdate<\/span>
\nEtc..<\/span><\/p>\nSpring Data JPA Code<\/h2>\n
\npageEncoding=“ISO-8859-1”<\/em>%><\/span>
\n<!DOCTYPE html><\/span>
\n<html><\/span>
\n<head><\/span>
\n<meta charset=“ISO-8859-1”<\/em>><\/span>
\n<title>Insert title here<\/title><\/span>
\n<link rel=“stylesheet”<\/em> href=“https:\/\/maxcdn.bootstrapcdn.com\/bootstrap\/4.4.1\/css\/bootstrap.min.css”<\/em>><\/span>
\n<script src=“https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/3.5.1\/jquery.min.js”<\/em>><\/script><\/span>
\n<script src=“https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/popper.js\/1.16.0\/umd\/popper.min.js”<\/em>><\/script><\/span>
\n<script src=“https:\/\/maxcdn.bootstrapcdn.com\/bootstrap\/4.4.1\/js\/bootstrap.min.js”<\/em>><\/script><\/span>
\n<style><\/span>
\n.bg<\/em><\/span>
\n{<\/span>
\nbackground:url(“yellow-bokeh-photo-949587.jpg”) no-repeat<\/em>;<\/span>
\nwidth: 100%<\/em>;<\/span>
\nheight: 100vh<\/em>;<\/span>
\n}<\/span>
\n.main-css<\/em>{<\/span>
\nwidth:400px<\/em>;<\/span>
\nbackground: #fff<\/em>;<\/span>
\nmargin:auto<\/em>;<\/span>
\nborder-radius:10px<\/em>;<\/span>
\nbox-shadow:0px 0px 10px 0px<\/em>;<\/span>
\npadding:30px<\/em>;<\/span>
\nmargin-top:15px<\/em>;<\/span>
\n}<\/span><\/p>\n
\n<\/head><\/span>
\n<body class=“bg”<\/em>><\/span>
\n<div class=“container “<\/em>><\/span>
\n<form action=“savePatient”<\/em> method=“post”<\/em> class=“main-css”<\/em> ><\/span>
\n<div class=“form-group”<\/em>><\/span>
\n<label for=“num”<\/em>>Patient Name<\/label><\/span>
\n<input name=“name”<\/em> id=“num”<\/em> class = “form-control”<\/em>><\/span>
\n<\/div><\/span>
\n<div class=“form-group”<\/em>><\/span>
\n<label for=“num”<\/em>>Patient Username<\/u> Name<\/label><\/span>
\n<input name=“username”<\/em> id=“num”<\/em> class = “form-control”<\/em>><\/span>
\n<\/div><\/span>
\n<div class=“form-group”<\/em>><\/span>
\n<label for=“num”<\/em>>Password<\/label><\/span>
\n<input name=“password”<\/em> id=“num”<\/em> class = “form-control”<\/em>><\/span>
\n<\/div><\/span>
\n<div class=“form-group”<\/em>><\/span>
\n<label for=“ac”<\/em>>Age<\/label><\/span>
\n<input name=“age”<\/em> id=“ac”<\/em> class = “form-control”<\/em>><\/span>
\n<\/div><\/span>
\n<div class=“form-group”<\/em>><\/span>
\n<label for=“dd”<\/em>>Gender<\/label><\/span>
\n<select class = “form-control”<\/em> name=“gender”<\/em>><\/span>
\n<option>select<\/option><\/span>
\n<option value=“male”<\/em>>male<\/option><\/span>
\n<option value=“female”<\/em>>female<\/option><\/span>
\n<\/select><\/span>
\n<\/div><\/span>
\n<div class=“form-group”<\/em>><\/span>
\n<label for=“oa”<\/em>>Address<\/label><\/span>
\n<input name=“address”<\/em> id=“oa”<\/em> class = “form-control”<\/em>><\/span>
\n<\/div><\/span>
\n<div class=“form-group”<\/em>><\/span>
\n<label for=“oa”<\/em>>Mobile Number<\/label><\/span>
\n<input name=“mobile”<\/em> id=“oa”<\/em> class = “form-control”<\/em>><\/span>
\n<\/div><\/span>
\n<div class=“form-group”<\/em>><\/span><\/p>\n
\n<\/div><\/span>
\n<\/form><\/span>
\n<\/div><\/span>
\n<\/body><\/span>
\n<\/html><\/span><\/p>\n
\nPatientrepo ps;<\/span><\/p>\n
\npublic<\/strong> String userRegister() {<\/span>
\nreturn<\/strong> “register”;<\/span><\/p>\n
\npublic<\/strong> String savePatient(Patient patient) {<\/span>
\nSystem.out<\/em><\/strong>.println(patient);<\/span>
\nps.save(patient);<\/span><\/p>\n
\npublic<\/strong> String Department(@RequestParam(“id”) int<\/strong> theid,Model model) {<\/span>
\nSystem.out<\/em><\/strong>.println(theid);<\/span>
\nList<Doctors> dlist = dr.findByFlag(theid);<\/span>
\nmodel.addAttribute(“doctorlist”, dlist);<\/span><\/p>\n
\n@Table(name=”patient”)<\/span>
\npublic<\/strong> class<\/strong> Patient {<\/span><\/p>\n
\n@GeneratedValue(strategy=GenerationType.AUTO<\/em><\/strong>)<\/span><\/p>\n
\nprivate<\/strong> String name;<\/span>
\nprivate<\/strong> String gender;<\/span>
\nprivate<\/strong> String age;<\/span>
\nprivate<\/strong> String address;<\/span>
\nprivate<\/strong> String mobile;<\/span>
\nprivate<\/strong> String username;<\/span>
\nprivate<\/strong> String password;<\/span><\/p>\n
\nimport<\/strong> com.abd.hospitalmgt.entity.Patient;<\/span><\/p>\n