完善生成器：如果 生成的内容 和 已有文件内容 的 md5 相等，就不再写文件，减少idea 的 indexing 的时间

client/engineclient.go

@@ -3,6 +3,7 @@ package client
 import (
 	"bytes"
 	"compress/gzip"
+	"crypto/md5"
 	"encoding/json"
 	"encoding/xml"
 	"fmt"
@@ -55,30 +56,30 @@ func (c *EngineClient) InitDefalutFile(project_name string) {
 	_, err := os.Stat(project_name + ".xml")
 	if os.IsNotExist(err) {
 		xml := strings.Replace(DefaultProjectXML, "{project_name}", project_name, -1)
-		ioutil.WriteFile(project_name+".xml", []byte(xml), os.ModePerm)
+		TryWriteFile(project_name+".xml", []byte(xml))
 	}
 
 	_, err = os.Stat(project_name + ".xsd")
 	if os.IsNotExist(err) {
-		ioutil.WriteFile(project_name+".xsd", []byte(XSD), os.ModePerm)
+		TryWriteFile(project_name+".xsd", []byte(XSD))
 	}
 
 	_, err = os.Stat("Dockerfile")
 	if os.IsNotExist(err) {
 		xml := strings.Replace(DockerFile, "{project_name}", project_name, -1)
-		ioutil.WriteFile("Dockerfile", []byte(xml), os.ModePerm)
+		TryWriteFile("Dockerfile", []byte(xml))
 	}
 	_, err = os.Stat("build_docker.sh")
 	if os.IsNotExist(err) {
 		xml := strings.Replace(BuildSH, "{project_name}", project_name, -1)
-		ioutil.WriteFile("build_docker.sh", []byte(xml), os.ModePerm)
+		TryWriteFile("build_docker.sh", []byte(xml))
 	}
 
 	_, err = os.Stat("README.md")
 	if os.IsNotExist(err) {
 		xml := strings.Replace(MARK_DOWN, "{project_name}", project_name, -1)
 		xml = strings.Replace(xml, "{!}", "`", -1)
-		ioutil.WriteFile("README.md", []byte(xml), os.ModePerm)
+		TryWriteFile("README.md", []byte(xml))
 	}
 }
 
@@ -103,10 +104,10 @@ func (c *EngineClient) GenerateCurrentProjectToPath(destPath string) {
 	//c.GenSwagger(projMainXmlFileTemp)
 
 	path, _ := utils.GetCurrentPath()
-	CopyDir(env.Get("GOPATH", "") + "/src/git.qianqiusoft.com/qianqiusoft/light-apiengine/sqlconfig",
+	CopyDir(env.Get("GOPATH", "")+"/src/git.qianqiusoft.com/qianqiusoft/light-apiengine/sqlconfig",
 		path+"vendor/git.qianqiusoft.com/qianqiusoft/light-apiengine/sqlconfig",
 		"./vendor/git.qianqiusoft.com/qianqiusoft/light-apiengine/sqlconfig",
-		"../src/git.qianqiusoft.com/qianqiusoft/light-apiengine/sqlconfig",	
+		"../src/git.qianqiusoft.com/qianqiusoft/light-apiengine/sqlconfig",
 		path+"sqlconfig")
 }
 
@@ -163,39 +164,39 @@ func (c *EngineClient) GenerateToPath(xmlfile string, dest_path string) {
 					fmt.Println(path + "已经存在，忽略...")
 					// fmt.Println(result.Data[i].Content)
 				} else {
-					ioutil.WriteFile(path, result.Data[i].Content, os.ModePerm)
+					TryWriteFile(path, result.Data[i].Content)
 				}
 			} else if ft == "controllers" {
 				os.MkdirAll(filepath.Dir(path), os.ModePerm)
 				if strings.Index(path, "_gen.go") > 0 {
-					ioutil.WriteFile(path, result.Data[i].Content, os.ModePerm)
+					TryWriteFile(path, result.Data[i].Content)
 				} else {
 					_, err := os.Stat(path)
 					if err == nil {
-						ioutil.WriteFile(path+"_new", result.Data[i].Content, os.ModePerm)
+						TryWriteFile(path+"_new", result.Data[i].Content)
 					} else if os.IsNotExist(err) {
-						ioutil.WriteFile(path, result.Data[i].Content, os.ModePerm)
+						TryWriteFile(path, result.Data[i].Content)
 					}
 				}
 			} else if ft == "routers" {
 				os.MkdirAll(filepath.Dir(path), os.ModePerm)
-				ioutil.WriteFile(path, result.Data[i].Content, os.ModePerm)
+				TryWriteFile(path, result.Data[i].Content)
 			} else if ft == "sql" {
 				if strings.Index(path, "_gen.xml") > 0 {
 					os.MkdirAll(filepath.Dir(path), os.ModePerm)
-					ioutil.WriteFile(path, result.Data[i].Content, os.ModePerm)
+					TryWriteFile(path, result.Data[i].Content)
 				} else {
 					_, err := os.Stat(path)
 					if err == nil {
-						//ioutil.WriteFile(path+"_new", result.Data[i].Content, os.ModePerm)
+						//TryWriteFile(path+"_new", result.Data[i].Content)
 					} else if os.IsNotExist(err) {
 						os.MkdirAll(filepath.Dir(path), os.ModePerm)
-						ioutil.WriteFile(path, result.Data[i].Content, os.ModePerm)
+						TryWriteFile(path, result.Data[i].Content)
 					}
 				}
 			} else {
 				os.MkdirAll(filepath.Dir(path), os.ModePerm)
-				err := ioutil.WriteFile(path, result.Data[i].Content, os.ModePerm)
+				err := TryWriteFile(path, result.Data[i].Content)
 				if err != nil {
 					fmt.Println(err.Error())
 				}
@@ -203,6 +204,28 @@ func (c *EngineClient) GenerateToPath(xmlfile string, dest_path string) {
 		}
 	}
 }
+func TryWriteFile(fileName string, dataB []byte) (err error) {
+	var dataA []byte
+	_, err = os.Stat(fileName)
+	needWriteFile := false
+	if err == nil {
+		//文件存在
+		dataA, err = ioutil.ReadFile(fileName)
+		md5A := md5.Sum(dataA)
+		md5B := md5.Sum(dataB)
+		if md5A != md5B {
+			needWriteFile = true
+		}
+	} else if os.IsNotExist(err) {
+		//文件不存在
+		needWriteFile = true
+		err = nil
+	}
+	if needWriteFile {
+		err = ioutil.WriteFile(fileName, dataB, os.ModePerm)
+	}
+	return
+}
 
 /*
 func (c *EngineClient) Generate(xmlfile string) {
@@ -311,9 +334,9 @@ func (c *EngineClient) MergeXmlToSingle() string {
 		fmt.Println("xml.Marshal(app) error " + err.Error())
 		return ""
 	}
-	err = ioutil.WriteFile(projMainXmlFileTemp, bytess, os.ModePerm)
+	err = TryWriteFile(projMainXmlFileTemp, bytess)
 	if err != nil {
-		fmt.Println("ioutil.WriteFile(projMainXmlFileTemp, bytess,os.ModePerm) error " + err.Error())
+		fmt.Println("TryWriteFile(projMainXmlFileTemp, bytess) error " + err.Error())
 		return ""
 	}
 	_, err = os.Stat(projMainXmlFileTemp)