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spring 4 整合MongoDB详细讲解项目源码 # v# g8 f9 \! |. Q7 C * K/ S, ?- Z( Q& i 5 @) M' w3 ?3 Q9 B: D. S* o NoSQL数据库与传统的关系型数据库相比，它具有操作简单、完全免费、源码公开、随时下载等特点，并可以用于各种商业目的。这使NoSQL产品广泛应用于各种大型门户网站和专业网站，大大降低了运营成本。& c) {4 v& y6 t) ]9 R 5 Z- x+ a" B3 c8 C1 R " ^) @8 x- N; U : X. ~0 b% X' p( y/ y! S/ } 环境配置: myeclipse 8.6 、mongodb 3.0 、spring 4.0.6, [5 r4 a* O* N" C ; [0 P& Q% g, Y& T, @( u) Q! Q; h 0 H& `$ C- Y/ x/ d { ( X# U# ~, {7 F! q" s2 I* s5 P' H 所需JAR包：* ?) D. G; J2 y
: M2 b, y# l$ W$ S$ |# _ : E4 f' t% B6 v* M9 h b $ h* a: c9 S; D5 s1 V applicationContext.xml配置：3 B! U, O6 [& U2 |. g$ s) x <?xml version="1.0" encoding="UTF-8"?> 9 g* y! H6 \8 D% \8 c8 Z! s <beans xmlns="http://www.springframework.org/schema/beans" $ `1 K3 h7 @4 H- S j xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" $ G4 O! w6 y( z xmlns:p="http://www.springframework.org/schema/p" 8 [; U0 T v( P) H& p xmlns:context="http://www.springframework.org/schema/context" , ], F" F) N( |7 P" P$ Z xmlns:mvc="http://www.springframework.org/schema/mvc" ) [; [1 u( r/ P9 r. S" m) f! H" q xsi:schemaLocation="http://www.springframework.org/schema/mvc 9 r Q+ R, g/ d8 U& q9 p http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd 9 e9 X6 [7 B% }; e- S+ \7 V http://www.springframework.org/schema/beans 3 y: S( K* y8 B& q6 K8 v http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 5 J: K: x# r7 N2 H# s6 j http://www.springframework.org/schema/context % j! `. t- e6 ^" ]- u http://www.springframework.org/schema/context/spring-context-3.0.xsd"> 0 [, g% X2 m6 v, L, ]/ d3 Z <context:component-scan base-package="com.mongodb.service" />3 w4 D# w& S2 v( o. F+ M <import resource="mongo-config.xml"/>3 K8 t) T2 e: N! F8 V x; N! h+ ? </beans> 复制代码 4 l+ b R( z! f0 K5 @! Z' C [- ?% Z <?xml version="1.0" encoding="UTF-8"?> 9 ]* R5 p2 }1 c! O3 ^5 p3 ? <beans xmlns="http://www.springframework.org/schema/beans" ) A- Z# X4 _* H/ L: n xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 J) @8 A0 N0 k6 b! B xmlns:p="http://www.springframework.org/schema/p" # z; ^& ~" \+ C' d' L xmlns:mongo="http://www.springframework.org/schema/data/mongo" " k. _9 X, P. u$ e: A8 A& I xsi:schemaLocation="http://www.springframework.org/schema/beans _3 I: y! M$ Z: J# |' X http://www.springframework.org/schema/beans/spring-beans-3.0.xsd ' c* R) `# N9 N( d http://www.springframework.org/schema/data/mongo 4 A4 b, l3 @, m$ S$ C6 u http://www.springframework.org/schema/data/mongo/spring-mongo.xsd3 p* d+ ]$ \ t/ t http://www.springframework.org/schema/data/repository+ h' p1 ^5 P! p/ ?" f+ x- Q http://www.springframework.org/schema/data/repository/spring-repository-1.5.xsd"> + q4 B, d* ]5 N* q9 h & L5 s, }3 l& Y) S+ C7 f2 W" E <mongo:mongo host="121.42.26.72" port="12345"/> ' G8 t: g" H9 C& x$ B8 K # {. O% x" F* W; J/ \ | <!-- Offers convenience methods and automatic mapping between MongoDB JSON documents and your domain classes. --> # r7 E% H4 ?/ Y: T* W; N: S* q# E <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate"> $ ^7 v. }) b/ g Z9 n' o: m <constructor-arg ref="mongo"/> + v1 _ \: Q. t% y2 ?- g <constructor-arg name="databaseName" value="itstyle"/> ' z5 R3 z2 A' _. s9 e1 t </bean> " C7 v g4 R; `8 ^. S8 u) _ * Y2 z* Q2 Y" S </beans> 复制代码 0 |* p) {! Q6 k spring-servlet.xml配置：- {4 [6 O9 y+ X7 }% E# [9 } s$ c. O# M# q# D: \! E5 X# e <?xml version="1.0" encoding="UTF-8"?> + f; [1 R$ x6 x, M" L1 G N <beans xmlns="http://www.springframework.org/schema/beans" 6 l7 H- z6 b- h( C+ B6 y+ R% q xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 2 b R$ l* x. ? xmlns:p="http://www.springframework.org/schema/p" ! P3 l' @: x* q! Q xmlns:mvc="http://www.springframework.org/schema/mvc" : ^8 }/ z% P* I xmlns:context="http://www.springframework.org/schema/context" 3 |: g7 R4 R9 H xmlns:mongo="http://www.springframework.org/schema/data/mongo" 8 x7 a3 i P4 _2 d" b# m9 I2 v2 O xsi:schemaLocation="http://www.springframework.org/schema/beans % }: h$ [! j. @: q http://www.springframework.org/schema/beans/spring-beans-3.0.xsd * |+ p$ H/ x7 e+ Q9 t7 e0 \ http://www.springframework.org/schema/context ; F% s7 F2 E8 s3 b http://www.springframework.org/schema/context/spring-context-3.0.xsd B. ]" ^1 B- i- g0 ?% |% P1 M http://www.springframework.org/schema/data/mongo 6 f2 ]. v- Y% b( r5 c4 o http://www.springframework.org/schema/data/mongo/spring-mongo.xsd0 Y0 q! Y2 i( b6 Z1 D; @ http://www.springframework.org/schema/mvc 9 w# Y4 a1 Z1 I* c& ] http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">, @ n' Z- e. c* W! C. p9 q3 I! G * m9 z. ^- u- { <!-- Scans the classpath for annotated components that will be auto-registered as Spring beans.For example @Controller and @Service . Make sure to set the correct base-package--> " X. k5 N3 D& X% U- ^+ v& @5 J <context:component-scan base-package="com.mongodb.controller" /> - E9 s* G: y( Q# _# B5 p' z 7 g" Z2 y$ z& z$ y2 X# M' x <!-- Configures the annotation-driven Spring MVC Controller programming model.Note that, with Spring 3.0, this tag works in Servlet MVC only! --> + p! D. J% ~% z4 ]0 r+ h( W <mvc:annotation-driven /> . T1 N* k+ |9 f" `# ~ ) o6 J u% e4 p* [ <!-- Declare a view resolver --> 5 }# V6 e; p# j" N; I <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver" 5 ^: o$ A" o# U# p6 A# m p:prefix="/users/" p:suffix=".jsp" /> 5 B0 {8 F) F- A$ J F* w# e ) r) v- q( w6 W# G2 q0 D q / Y) s: }; b' e, l0 @ </beans> 复制代码 package com.mongodb.service; |% y; o+ q& y) K4 L import java .util.List;; }& Z- J) y1 S3 N. e+ c import org.springframework.beans.factory.annotation.Autowired;2 H. H$ B# b! I7 ~! _/ ? import org.springframework.data.mongodb.core.MongoOperations;' }! i! j+ \$ j* `- c" X( }6 @ import org.springframework.data.mongodb.core.query.Criteria;* C1 e7 N. ?/ I4 K import org.springframework.data.mongodb.core.query.Query;8 K7 f3 ?! b5 M+ F( y0 }2 f7 [ import org.springframework.data.mongodb.core.query.Update;9 g, {1 U# R( W8 D import org.springframework.stereotype.Service;2 \, J# Z. W- }- w- H; { import com.mongodb.domain.Users;; ~6 u6 R' V+ i3 [/ q$ P @Service(value = "userService") 6 H/ g9 Q6 z1 q3 `& O public class UserServiceImpl implements UserService{ 8 M" l% ]% a( f5 E; ?5 f private static String USER_COLLECTION = "users"; % x0 K4 M" I3 B. U# G% Z' ^' Y @Autowired 0 E6 x; P* v* e MongoOperations mongoTemplate; - z$ n" k8 B9 h" P" d, @: J public void saveUser(Users users){ 8 p/ Y: d) q, R" s- q x: w mongoTemplate.save(users, USER_COLLECTION); # S% h9 Y4 \( Y4 |2 H$ @, a } $ l3 D/ D, `: x: C7 J public Users findUserByName(String name){; ]( F$ Y! N/ @! m% p0 V( q return mongoTemplate.findOne(new Query(Criteria.where("name").is(name)), Users.class, USER_COLLECTION); , D: R S/ ? x' [, _) W2 @ }+ I( n: Q# J% h8 P1 @ public void removeUser(String name) {, ]9 r3 L# f( ~) k mongoTemplate.remove(new Query(Criteria.where("name").is(name)),Users.class,USER_COLLECTION);) o) D$ j6 k; q" I! h" N }; w4 L6 S: h$ E* r) M( b public void updateUser(String name,String key,String value) {! E% q2 m) Y* g+ [2 I mongoTemplate.updateFirst(new Query(Criteria.where("name").is(name)), Update.update(key, value), Users.class);9 P4 y6 \* ?. A3 L / S- I, u1 [* ]+ A w }+ V4 X/ D+ U6 A! Y; p9 f* U public List<Users> listUser() {9 f1 F: W& ] Y2 E return mongoTemplate.findAll(Users.class);3 f$ W* i7 S1 i% V* ^& S }1 P; _0 F3 V" W" [, p. K; x }1 i! q W& l% a ] 复制代码 4 V& M- g1 y. M! ^ ' X2 Z! ~, O% f, B' q, V9 Y' ~- A2 B 演示地址：http://121.42.26.72:8080/SpringMongod . j9 u( Z5 F; Z ; s; I8 k- K7 z3 x# k0 p 项目下载地址：Spring4 整合MongoDB详细讲解项目源码 & [) h8 D0 J. C; H; {8 m) Y7 ` 8 _5 Y# L! O! G6 h, s0 T: } 解压码：www.52itstyle.com 1 R# s2 T. h+ l- k6 u1 y/ A
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