http://www.javashuo.com/article/p-zhzvgydt-p.htmlpost
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type Member struct { id int name, email string gender, age int } func TestChange(t *testing.T) { m1 := Member{} m2 := new(Member) Change(m1, m2) //值傳遞,這裏須要傳指針纔有效 fmt.Println(m1, m2) //{0 0 0} &{0 小紅 0 0} } func Change(m1 Member, m2 *Member) { m1.name = "小明" m2.name = "小紅" } func TestMember(t *testing.T) { var m1 Member //全部字段均爲空值 var m2 = &Member{} var m3 = new(Member) var m4 = &m1 m1.age = 12 m2.age = 13 m3.age = 14 m4.age = 145 t.Logf("%T %v", m1, m1.age) t.Logf("%T %v", m2, m2.age) t.Logf("%T %v", m3, m3.age) t.Logf("%T %v", m4, m4.age) }