share db connection

go.mod

@@ -11,10 +11,12 @@ require (
 	github.com/akavel/rsrc v0.9.0 // indirect
 	github.com/emirpasic/gods v1.12.0
 	github.com/fatih/color v1.9.0
+	github.com/gin-gonic/gin v1.6.3 // indirect
 	github.com/go-playground/validator/v10 v10.4.1 // indirect
 	github.com/golang/protobuf v1.4.3 // indirect
 	github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 // indirect
 	github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a
+	github.com/jinzhu/gorm v1.9.16 // indirect
 	github.com/json-iterator/go v1.1.10 // indirect
 	github.com/jteeuwen/go-bindata v3.0.7+incompatible // indirect
 	github.com/mattn/go-colorable v0.1.7 // indirect

go.sum

@@ -9,9 +9,11 @@ github.com/Chain-Zhang/pinyin v0.1.3 h1:RzErNyNwVa8z2sOLCuXSOtVdY/AsARb8mBzI2p2q
 github.com/Chain-Zhang/pinyin v0.1.3/go.mod h1:5iHpt9p4znrnaP59/hfPMnAojajkDxQaP9io+tRMPho=
 github.com/Knetic/govaluate v3.0.0+incompatible h1:7o6+MAPhYTCF0+fdvoz1xDedhRb4f6s9Tn1Tt7/WTEg=
 github.com/Knetic/govaluate v3.0.0+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
+github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc=
 github.com/akavel/rsrc v0.8.0/go.mod h1:uLoCtb9J+EyAqh+26kdrTgmzRBFPGOolLWKpdxkKq+c=
 github.com/akavel/rsrc v0.9.0 h1:HwUDC0+tMFWqN4D5G+o5siGD4oVsC3jn6zM8ocjc3nY=
 github.com/akavel/rsrc v0.9.0/go.mod h1:uLoCtb9J+EyAqh+26kdrTgmzRBFPGOolLWKpdxkKq+c=
+github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
 github.com/awesome-gocui/gocui v0.6.0 h1:hhDJiQC12tEsJNJ+iZBBVaSSLFYo9llFuYpQlL5JZVI=
 github.com/awesome-gocui/gocui v0.6.0/go.mod h1:1QikxFaPhe2frKeKvEwZEIGia3haiOxOUXKinrv17mA=
 github.com/awesome-gocui/termbox-go v0.0.0-20190427202837-c0aef3d18bcc h1:wGNpKcHU8Aadr9yOzsT3GEsFLS7HQu8HxQIomnekqf0=
@@ -22,10 +24,12 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/denisenkom/go-mssqldb v0.0.0-20191124224453-732737034ffd/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
 github.com/emirpasic/gods v1.12.0 h1:QAUIPSaCu4G+POclxeqb3F+WPpdKqFGlw36+yOzGlrg=
 github.com/emirpasic/gods v1.12.0/go.mod h1:YfzfFFoVP/catgzJb4IKIqXjX78Ha8FMSDh3ymbK86o=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0=
 github.com/fatih/color v1.9.0 h1:8xPHl4/q1VyqGIPif1F+1V3Y3lSmrq01EabUW3CoW5s=
 github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
@@ -43,6 +47,8 @@ github.com/go-playground/validator/v10 v10.2.0 h1:KgJ0snyC2R9VXYN2rneOtQcw5aHQB1
 github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
 github.com/go-playground/validator/v10 v10.4.1 h1:pH2c5ADXtd66mxoE0Zm9SUhxE20r7aM3F26W0hOn+GE=
 github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
+github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
+github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@@ -69,6 +75,11 @@ github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 h1:l5lAOZEym3oK3
 github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a h1:zPPuIq2jAWWPTrGt70eK/BSch+gFAGrNzecsoENgu2o=
 github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a/go.mod h1:yL958EeXv8Ylng6IfnvG4oflryUi3vgA3xPs9hmII1s=
+github.com/jinzhu/gorm v1.9.16 h1:+IyIjPEABKRpsu/F8OvDPy9fyQlgsg2luMV2ZIH5i5o=
+github.com/jinzhu/gorm v1.9.16/go.mod h1:G3LB3wezTOWM2ITLzPxEXgSkOXAntiLHS7UdBefADcs=
+github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
+github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
+github.com/jinzhu/now v1.0.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
 github.com/josephspurrier/goversioninfo v1.2.0 h1:tpLHXAxLHKHg/dCU2AAYx08A4m+v9/CWg6+WUvTF4uQ=
 github.com/josephspurrier/goversioninfo v1.2.0/go.mod h1:AGP2a+Y/OVJZ+s6XM4IwFUpkETwvn0orYurY8qpw1+0=
 github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
@@ -89,6 +100,7 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
 github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII=
+github.com/lib/pq v1.1.1/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA=
 github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-colorable v0.1.6 h1:6Su7aK7lXmJ/U79bYtBjLNaha4Fs1Rg9plHpcH+vvnE=
@@ -103,6 +115,7 @@ github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Ky
 github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-sqlite3 v1.14.0/go.mod h1:JIl7NbARA7phWnGvh0LKTyg7S9BA+6gx71ShQilpsus=
 github.com/mattn/go-sqlite3 v2.0.3+incompatible h1:gXHsfypPkaMZrKbD5209QV9jbUTJKjyR5WD3HYQSd+U=
 github.com/mattn/go-sqlite3 v2.0.3+incompatible/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
@@ -159,6 +172,8 @@ github.com/xuri/efp v0.0.0-20191019043341-b7dc4fe9aa91/go.mod h1:uBiSUepVYMhGTfD
 github.com/xuri/efp v0.0.0-20200605144744-ba689101faaf h1:spotWVWg9DP470pPFQ7LaYtUqDpWEOS/BUrSmwFZE4k=
 github.com/xuri/efp v0.0.0-20200605144744-ba689101faaf/go.mod h1:uBiSUepVYMhGTfDeBKKasV4GpgBlzJ46gXUBAqV8qLk=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191205180655-e7c4368fe9dd/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897 h1:pLI5jrR7OSLijeIDcmRxNmw2api+jEfxLoykJVice/E=
@@ -171,11 +186,14 @@ golang.org/x/image v0.0.0-20200801110659-972c09e46d76/go.mod h1:FeLwcggjj3mMvU+o
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200506145744-7e3656a0809f h1:QBjCr1Fz5kw158VqdE9JfI9cJnl/ymnJWAdMuinqL7Y=
 golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200602114024-627f9648deb9 h1:pNX+40auqi2JqRfOP1akLGtYcn15TUbkhwuCO3foqqM=

src/gen/excel.go

@@ -141,21 +141,19 @@ func ConvertSingleExcelToSQLiteIfNeeded(dbName string, path string) (firstSheet
 		ddl := fmt.Sprintf(ddlTemplate, tableName, colDefine)
 		insertSql := fmt.Sprintf(insertTemplate, tableName, colList, valList)
 
-		db, err := sql.Open(constant.SqliteDriver, constant.SqliteData)
-		defer db.Close()
-		_, err = db.Exec(dropSql)
+		_, err = vari.DB.Exec(dropSql)
 		if err != nil {
 			logUtils.PrintTo(i118Utils.I118Prt.Sprintf("fail_to_drop_table", tableName, err.Error()))
 			return
 		}
 
-		_, err = db.Exec(ddl)
+		_, err = vari.DB.Exec(ddl)
 		if err != nil {
 			logUtils.PrintTo(i118Utils.I118Prt.Sprintf("fail_to_create_table", tableName, err.Error()))
 			return
 		}
 
-		_, err = db.Exec(insertSql)
+		_, err = vari.DB.Exec(insertSql)
 		if err != nil {
 			logUtils.PrintTo(i118Utils.I118Prt.Sprintf("fail_to_exec_query", insertSql, err.Error()))
 			return
@@ -279,6 +277,7 @@ func ReadDataFromSQLite(field model.DefField, dbName string, tableName string) (
 
 	sqlStr := fmt.Sprintf("SELECT %s FROM `%s` WHERE %s", colStr, from, where)
 	rows, err := db.Query(sqlStr)
+	defer rows.Close()
 	if err != nil {
 		logUtils.PrintTo(i118Utils.I118Prt.Sprintf("fail_to_exec_query", sqlStr, err.Error()))
 		return list, ""
@@ -545,4 +544,4 @@ func importExcel(filePath, tableName string, seq *int, ddlFields, insertSqls *[]
 			*insertSqls = append(*insertSqls, insertSql)
 		}
 	}
-}
\ No newline at end of file
+}

src/utils/config/config.go

 package configUtils
 
 import (
+	"database/sql"
 	"fmt"
 	"github.com/easysoft/zendata/src/model"
 	commonUtils "github.com/easysoft/zendata/src/utils/common"
@@ -20,6 +21,16 @@ import (
 	"strings"
 )
 
+func InitDB() (db *sql.DB, err error) {
+	db, err = sql.Open(constant.SqliteDriver, constant.SqliteData)
+	err = db.Ping() // This DOES open a connection if necessary. This makes sure the database is accessible
+	if err != nil {
+		logUtils.PrintErrMsg(
+			fmt.Sprintf("Error on opening db %s, error is %s", constant.SqliteData, err.Error()))
+	}
+	return
+}
+
 func InitConfig() {
 	vari.ExeDir = fileUtils.GetExeDir()
 	vari.WorkDir = fileUtils.GetWorkDir()

src/utils/vari/var.go

 package vari
 
 import (
+	"database/sql"
 	"github.com/easysoft/zendata/src/model"
 	"github.com/easysoft/zendata/src/utils/const"
 )
 
 var (
 	Config      = model.Config{Version: 1, Language: "en"}
+	DB *sql.DB
 
 	RunMode      constant.RunMode
 

src/zd.go

@@ -130,6 +130,9 @@ func main() {
 		os.Args = append(os.Args, "-help")
 	}
 
+	vari.DB, _ = configUtils.InitDB()
+	defer vari.DB.Close()
+
 	switch os.Args[1] {
 	default:
 		flagSet.SetOutput(ioutil.Discard)

ui/src/main.js

@@ -9,7 +9,6 @@ import router from "./router"
 Vue.config.productionTip = false
 
 Vue.component(Button);
-
 Vue.use(Button);
 
 new Vue({