diff --git a/bin-to-dec/.gitignore b/bin-to-dec/.gitignore new file mode 100644 index 00000000..153c9335 --- /dev/null +++ b/bin-to-dec/.gitignore @@ -0,0 +1,29 @@ +HELP.md +/target/ +!.mvn/wrapper/maven-wrapper.jar + +### STS ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### IntelliJ IDEA ### +.idea +*.iws +*.iml +*.ipr + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +/build/ + +### VS Code ### +.vscode/ diff --git a/bin-to-dec/pom.xml b/bin-to-dec/pom.xml new file mode 100644 index 00000000..b93c9b19 --- /dev/null +++ b/bin-to-dec/pom.xml @@ -0,0 +1,67 @@ + + + 4.0.0 + + org.springframework.boot + spring-boot-starter-parent + 2.1.4.RELEASE + + + com.sortinn + bin-to-dec + 0.0.1-SNAPSHOT + bin-to-dec + Demo project for Spring Boot + + + 1.8 + + + + + org.springframework.boot + spring-boot-starter-thymeleaf + + + org.springframework.boot + spring-boot-starter-web + + + org.springframework.boot + spring-boot-starter-webflux + + + + org.projectlombok + lombok + true + + + org.springframework.boot + spring-boot-starter-test + test + + + io.projectreactor + reactor-test + test + + + + com.google.guava + guava + 27.0.1-jre + + + + + + + org.springframework.boot + spring-boot-maven-plugin + + + + + diff --git a/bin-to-dec/src/main/java/com/sortinn/bintodec/BinToDecApplication.java b/bin-to-dec/src/main/java/com/sortinn/bintodec/BinToDecApplication.java new file mode 100644 index 00000000..b380dcf8 --- /dev/null +++ b/bin-to-dec/src/main/java/com/sortinn/bintodec/BinToDecApplication.java @@ -0,0 +1,13 @@ +package com.sortinn.bintodec; + +import org.springframework.boot.SpringApplication; +import org.springframework.boot.autoconfigure.SpringBootApplication; + +@SpringBootApplication +public class BinToDecApplication { + + public static void main(String[] args) { + SpringApplication.run(BinToDecApplication.class, args); + } + +} diff --git a/bin-to-dec/src/main/java/com/sortinn/bintodec/controller/BinToDecController.java b/bin-to-dec/src/main/java/com/sortinn/bintodec/controller/BinToDecController.java new file mode 100644 index 00000000..abff47e7 --- /dev/null +++ b/bin-to-dec/src/main/java/com/sortinn/bintodec/controller/BinToDecController.java @@ -0,0 +1,32 @@ +package com.sortinn.bintodec.controller; + +import com.sortinn.bintodec.service.BinToDecService; +import lombok.extern.slf4j.Slf4j; +import org.springframework.stereotype.Controller; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.servlet.ModelAndView; + +import javax.annotation.Resource; + +/** + * @author tian.gao + * @create 2019.04.22 11:47 PM + **/ +@Slf4j +@Controller +@RequestMapping("/cal") +public class BinToDecController { + + @Resource + private BinToDecService binToDecService; + + @PostMapping("/b2d/{binary}") + public ModelAndView b2d(@PathVariable("binary") String binary) { + Integer res = binToDecService.binToDecConvert(binary); + ModelAndView modelAndView = new ModelAndView("home-list"); + modelAndView.addObject("res", res); + return modelAndView; + } +} diff --git a/bin-to-dec/src/main/java/com/sortinn/bintodec/service/BinToDecService.java b/bin-to-dec/src/main/java/com/sortinn/bintodec/service/BinToDecService.java new file mode 100644 index 00000000..bc46ce15 --- /dev/null +++ b/bin-to-dec/src/main/java/com/sortinn/bintodec/service/BinToDecService.java @@ -0,0 +1,52 @@ +package com.sortinn.bintodec.service; + +import lombok.extern.slf4j.Slf4j; +import org.apache.logging.log4j.util.Strings; +import org.springframework.stereotype.Service; + +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +/** + * @author tian.gao + * @create 2019.04.22 11:47 PM + **/ +@Slf4j +@Service +public class BinToDecService { + + private static final int MAX_LENGTH = 8; + + public Integer binToDecConvert(String binary) { + if (Strings.isEmpty(binary)) { + log.error("binary empty"); + return null; + } + if (binary.length() > MAX_LENGTH) { + log.error("more than max length"); + return null; + } + + String regex = "^[01]+$"; + Pattern pattern = Pattern.compile(regex); + Matcher matcher = pattern.matcher(binary); + Double res = 0.0; + + if (matcher.find()) { + String[] binaryArr = binary.split(""); + int length = binaryArr.length; + for (int i = 0; i < length; i++) { + res += Integer.parseInt(binaryArr[i]) * Math.pow(2, length - 1 - i); + } + } else { + log.error("input is not binary number"); + return null; + } + return res.intValue(); + + } + + public static void main(String[] args) { + System.out.println(new BinToDecService().binToDecConvert("11111110")); + } +} diff --git a/bin-to-dec/src/main/resources/application.properties b/bin-to-dec/src/main/resources/application.properties new file mode 100644 index 00000000..8b137891 --- /dev/null +++ b/bin-to-dec/src/main/resources/application.properties @@ -0,0 +1 @@ + diff --git a/bin-to-dec/src/main/resources/templates/home-list.html b/bin-to-dec/src/main/resources/templates/home-list.html new file mode 100644 index 00000000..39ca5368 --- /dev/null +++ b/bin-to-dec/src/main/resources/templates/home-list.html @@ -0,0 +1,114 @@ + + + + + + + + + + Home + + +
+

十进制计算器

+

可二进制转换转换为十进制

+
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+ +
+ +
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+ + + + + + + + + + + + + + + + + + + + + + + + +
用户id用户名性别年龄备注是否可用操作
+ 编辑 + 删除 +
+
+ +
+
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+ +
+ + + + + + + + + + + + + + \ No newline at end of file diff --git a/bin-to-dec/src/test/java/com/sortinn/bintodec/BinToDecApplicationTests.java b/bin-to-dec/src/test/java/com/sortinn/bintodec/BinToDecApplicationTests.java new file mode 100644 index 00000000..85bab1d2 --- /dev/null +++ b/bin-to-dec/src/test/java/com/sortinn/bintodec/BinToDecApplicationTests.java @@ -0,0 +1,29 @@ +package com.sortinn.bintodec; + +import com.sortinn.bintodec.service.BinToDecService; +import org.junit.Assert; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.springframework.boot.test.context.SpringBootTest; +import org.springframework.test.context.junit4.SpringRunner; + +import javax.annotation.Resource; + +@RunWith(SpringRunner.class) +@SpringBootTest +public class BinToDecApplicationTests { + + @Resource + private BinToDecService binToDecService; + + @Test + public void contextLoads() { + } + + @Test + public void b2d_test() { + Integer res = binToDecService.binToDecConvert("11111111"); + System.out.println(res); + } + +}