Spring+Spring MVC+Mybatis+Jersey+Fastjson整合RESTful API框架，适合学习RESTful API框架初学者的代码详情-代码-最代码

首页>代码>Spring+Spring MVC+Mybatis+Jersey+Fastjson整合RESTful API框架，适合学习RESTful API框架初学者>/NICO-DEMO-Api/src/main/java/com/nico/service/AccountService.java
001package com.nico.service;
002 
003import java.util.List;
004 
005import javax.transaction.Transactional;
006import javax.ws.rs.Consumes;
007import javax.ws.rs.DELETE;
008import javax.ws.rs.DefaultValue;
009import javax.ws.rs.GET;
010import javax.ws.rs.POST;
011import javax.ws.rs.PUT;
012import javax.ws.rs.Path;
013import javax.ws.rs.PathParam;
014import javax.ws.rs.Produces;
015import javax.ws.rs.core.MediaType;
016import javax.ws.rs.core.Response;
017 
018import org.springframework.beans.factory.annotation.Autowired;
019import org.springframework.stereotype.Component;
020 
021import com.nico.dao.AccountMapper;
022import com.nico.entities.Account;
023import com.nico.entities.PagerEx;
024 
025@Component
026@Path("/accounts")
027public class AccountService {
028    @Autowired
029    private AccountMapper accountMapper;
030     
031    @GET
032    @Produces({"application/json; charset=UTF-8","application/xml; charset=UTF-8"})
033    public List<Account> getAccounts() {
034        return accountMapper.getAccounts();
035    }
036     
037    @GET
038//  @Path("/query")  @QueryParam
039    @Path("{pageSize}/{pageIndex}")         // pageSize:每页记录数  pageIndex:当前页
040    @Produces({"application/json; charset=UTF-8","application/xml; charset=UTF-8"})
041    public List<Account> getAccountsByFilter(@DefaultValue("10") @PathParam("pageSize") int pageSize,@DefaultValue("1") @PathParam("pageIndex") int pageIndex) {
042        int startIndex = (pageIndex-1)*pageSize;    //开始l
043        int endIndex = pageSize ;                   //条目数
044        PagerEx pagerEx = new PagerEx();
045        pagerEx.setPageIndex(startIndex);
046        pagerEx.setPageSize(endIndex);
047        return accountMapper.getAccountsByFilter(pagerEx);
048    }
049     
050    @GET @Path("{accountID}")
051    @Produces({"application/json; charset=UTF-8","application/xml; charset=UTF-8"})
052    public Response getAccountByAccountID(@PathParam("accountID") String accountID) {
053        Account account = accountMapper.getAccountByAccountID(accountID);
054        if(account != null) {
055            return Response.status(200).entity(account).build(); 
056        } else {
057            return Response.status(404).entity("The Account with the accountID " + accountID + " does not exist").build();
058        }
059    }
060     
061    @DELETE @Path("{accountID}")
062    @Produces({MediaType.TEXT_HTML})
063    @Transactional
064    public Response deleteAccountByAccountID(@PathParam("accountID") String accountID) {
065        if(accountMapper.deleteAccountByAccountID(accountID) == 1){
066            return Response.status(204).build();
067        } else {
068            return Response.status(404).entity("Account with the AccountID " + accountID + " is not present in the database").build();
069        }
070    }
071     
072    @POST @Path("batch")
073    @Consumes({"application/json; charset=UTF-8"})
074    @Produces({MediaType.TEXT_HTML})
075    @Transactional
076    public Response deleteAccountsBatch(List<String> list) {
077        int num = accountMapper.deleteAccountsBatch(list);
078        if(num > 0) {
079            return Response.status(204).entity("Has deleted "+num+" Accounts").build();
080        }else {
081            return Response.status(404).entity("Accounts deleted failed").build();
082        }
083             
084    }
085     
086    @POST
087    @Consumes({"application/json; charset=UTF-8"})
088    @Produces({MediaType.TEXT_HTML})    
089    @Transactional
090    public Response createAccount(Account account) {
091        int flag = accountMapper.createAccount(account);
092        if(flag > 0){
093            return Response.status(201).entity("A new Account/Resource has been created").build();      
094        }else {
095            return Response.status(406).entity("A new Account/Resource create failed").build();         
096        }
097    }
098     
099     
100    @PUT
101    @Consumes({"application/json; charset=UTF-8"})
102    @Produces({MediaType.TEXT_HTML})    
103    @Transactional
104    public Response updateAccount(Account account) {
105        String message; 
106        int status; 
107        if(accountWasUpdated(account)){
108            status = 200;       //OK
109            message = "Account has been updated";
110        } else {
111            status = 406;       //Not acceptable
112            message = "The information you provided is not sufficient to perform either an UPDATE or "
113                    + " an INSERTION of the new hospital resource <br/>"
114                    + " If you want to UPDATE please make sure you provide an existent <strong>id</strong> <br/>"
115                    + " If you want to insert a new hospital please provide at least a <strong>title</strong> and the <strong>feed</strong> for the hospital resource";
116        }
117        return Response.status(status).entity(message).build();     
118    }
119     
120    private boolean accountWasUpdated(Account account) {
121        return accountMapper.updateAccountByAccountID(account)== 1;
122    }
123 
124}