1. 实现配置文件解析

2. 实现数据库连接

vendor/gorm.io/gorm/clause/values.go

@@ -0,0 +1,45 @@
+package clause
+
+type Values struct {
+	Columns []Column
+	Values  [][]interface{}
+}
+
+// Name from clause name
+func (Values) Name() string {
+	return "VALUES"
+}
+
+// Build build from clause
+func (values Values) Build(builder Builder) {
+	if len(values.Columns) > 0 {
+		builder.WriteByte('(')
+		for idx, column := range values.Columns {
+			if idx > 0 {
+				builder.WriteByte(',')
+			}
+			builder.WriteQuoted(column)
+		}
+		builder.WriteByte(')')
+
+		builder.WriteString(" VALUES ")
+
+		for idx, value := range values.Values {
+			if idx > 0 {
+				builder.WriteByte(',')
+			}
+
+			builder.WriteByte('(')
+			builder.AddVar(builder, value...)
+			builder.WriteByte(')')
+		}
+	} else {
+		builder.WriteString("DEFAULT VALUES")
+	}
+}
+
+// MergeClause merge values clauses
+func (values Values) MergeClause(clause *Clause) {
+	clause.Name = ""
+	clause.Expression = values
+}