Java 使用嵌套switch语句过多是否有问题？
我从未使用嵌套的switch语句。只是想知道在我的代码中使用嵌套switch语句是否合适。 我有3个整数变量键入和位置值Java 使用嵌套switch语句过多是否有问题？,java,android-spinner,Java,Android Spinner,我从未使用嵌套的switch语句。只是想知道在我的代码中使用嵌套switch语句是否合适。 我有3个整数变量键入和位置值0或1和项，使用0至6。 无论如何，我的代码太长，无法缩短： public void onItemSelected(AdapterView<?> adapterView, View view, int pos, long id) { type = spinner_type.getSelectedItemPosition(); posi
0106public void onItemSelected(AdapterView<?> adapterView, View view, int pos, long id) {
type = spinner_type.getSelectedItemPosition();
position = spinner_pos.getSelectedItemPosition();
item = spinner.getSelectedItemPosition();
switch (adapterView.getId()) {
case R.id.cck_spinner_type:
switch (pos) {
case 0:
if(position == 0 && item == 0) {
sp_name = "cc_left";
} else if(position == 0 && item == 1){
sp_name = "cc_left1";
} else if(position == 0 && item == 2){
sp_name = "cc_left2";
}else if(position == 0 && item == 3){
sp_name = "cc_left3";
}else if(position == 0 && item == 4){
sp_name = "cc_left4";
}else if(position == 0 && item == 5){
sp_name = "cc_left5";
}else if(position == 0 && item == 6){
sp_name = "cc_left6";
}else if(position == 1 && item == 0) {
sp_name = "cc_right";
} else if(position == 1 && item == 1){
sp_name = "cc_right1";
} else if(position == 1 && item == 2){
sp_name = "cc_right2";
}else if(position == 1 && item == 3){
sp_name = "cc_right3";
}else if(position == 1 && item == 4){
sp_name = "cc_right4";
}else if(position == 1 && item == 5){
sp_name = "cc_right5";
}else if(position == 1 && item == 6){
sp_name = "cc_right6";
}
break;
case 1:
if(position == 0 && item == 0) {
sp_name = "ccL_left";
} else if(position == 0 && item == 1){
sp_name = "ccL_left1";
} else if(position == 0 && item == 2){
sp_name = "ccL_left2";
}else if(position == 0 && item == 3){
sp_name = "ccL_left3";
}else if(position == 0 && item == 4){
sp_name = "ccL_left4";
}else if(position == 0 && item == 5){
sp_name = "ccL_left5";
}else if(position == 0 && item == 6){
sp_name = "ccL_left6";
}else if(position == 1 && item == 0) {
sp_name = "ccL_right";
} else if(position == 1 && item == 1){
sp_name = "ccL_right1";
} else if(position == 1 && item == 2){
sp_name = "ccL_right2";
}else if(position == 1 && item == 3){
sp_name = "ccL_right3";
}else if(position == 1 && item == 4){
sp_name = "ccL_right4";
}else if(position == 1 && item == 5){
sp_name = "ccL_right5";
}else if(position == 1 && item == 6){
sp_name = "ccL_right6";
}
break;
}
break;
case R.id.cck_spinner_pos:
switch (pos) {
case 0:
if(type == 0 && item == 0) {
sp_name = "cc_left";
} else if(type == 0 && item == 1){
sp_name = "cc_left1";
} else if(type == 0 && item == 2){
sp_name = "cc_left2";
}else if(type == 0 && item == 3){
sp_name = "cc_left3";
}else if(type == 0 && item == 4){
sp_name = "cc_left4";
}else if(type == 0 && item == 5){
sp_name = "cc_left5";
}else if(type == 0 && item == 6){
sp_name = "cc_left6";
}else if(type == 1 && item == 0) {
sp_name = "ccL_left";
} else if(type == 1 && item == 1){
sp_name = "ccL_left1";
} else if(type == 1 && item == 2){
sp_name = "ccL_left2";
}else if(type == 1 && item == 3){
sp_name = "ccL_left3";
}else if(type == 1 && item == 4){
sp_name = "ccL_left4";
}else if(type == 1 && item == 5){
sp_name = "ccL_left5";
}else if(type == 1 && item == 6){
sp_name = "ccL_left6";
}
break;
case 1:
if(type == 0 && item == 0) {
sp_name = "cc_right";
} else if(type == 0 && item == 1){
sp_name = "cc_right1";
} else if(type == 0 && item == 2){
sp_name = "cc_right2";
}else if(type == 0 && item == 3){
sp_name = "cc_right3";
}else if(type == 0 && item == 4){
sp_name = "cc_right4";
}else if(type == 0 && item == 5){
sp_name = "cc_right5";
}else if(type == 0 && item == 6){
sp_name = "cc_right6";
}else if(type == 1 && item == 0) {
sp_name = "ccL_right";
} else if(type == 1 && item == 1){
sp_name = "ccL_right1";
} else if(type == 1 && item == 2){
sp_name = "ccL_right2";
}else if(type == 1 && item == 3){
sp_name = "ccL_right3";
}else if(type == 1 && item == 4){
sp_name = "ccL_right4";
}else if(type == 1 && item == 5){
sp_name = "ccL_right5";
}else if(type == 1 && item == 6){
sp_name = "ccL_right6";
}
break;
default:
Toast.makeText(getContext(),"ERR 208",Toast.LENGTH_SHORT).show();
}
break;
case R.id.cck_spinner:
switch (pos) {
case 0:
if (type == 0 && position == 0) {
sp_name = "cc_left";
} else if (type == 0 && position == 1) {
sp_name = "cc_right";
} else {
Toast.makeText(getContext(), "You can't change LABEL of this key", Toast.LENGTH_SHORT).show();
}
break;
case 1:
if (type == 0 && position == 0) {
sp_name = "cc_left1";
} else if (type == 0 && position == 1) {
sp_name = "cc_right1";
} else if (type == 1 && position == 0) {
sp_name = "ccL_left1";
} else if (type == 1 && position == 1) {
sp_name = "ccL_right1";
}
break;
case 2:
if (type == 0 && position == 0) {
sp_name = "cc_left2";
} else if (type == 0 && position == 1) {
sp_name = "cc_right2";
} else if (type == 1 && position == 0) {
sp_name = "ccL_left2";
} else if (type == 1 && position == 1) {
sp_name = "ccL_right2";
}
break;
case 3:
if (type == 0 && position == 0) {
sp_name = "cc_left3";
} else if (type == 0 && position == 1) {
sp_name = "cc_right3";
} else if (type == 1 && position == 0) {
sp_name = "ccL_left3";
} else if (type == 1 && position == 1) {
sp_name = "ccL_right3";
}
break;
case 4:
if (type == 0 && position == 0) {
sp_name = "cc_left4";
} else if (type == 0 && position == 1) {
sp_name = "cc_right4";
} else if (type == 1 && position == 0) {
sp_name = "ccL_left4";
} else if (type == 1 && position == 1) {
sp_name = "ccL_right4";
}
break;
case 5:
if (type == 0 && position == 0) {
sp_name = "cc_left5";
} else if (type == 0 && position == 1) {
sp_name = "cc_right5";
} else if (type == 1 && position == 0) {
sp_name = "ccL_left5";
} else if (type == 1 && position == 1) {
sp_name = "ccL_right5";
}
break;
case 6:
if (type == 0 && position == 0) {
sp_name = "cc_left6";
} else if (type == 0 && position == 1) {
sp_name = "cc_right6";
} else if (type == 1 && position == 0) {
sp_name = "ccL_left6";
} else if (type == 1 && position == 1) {
sp_name = "ccL_right6";
}
break;
default:
if (type == 0 && position == 0) {
sp_name = "cc_left";
} else if (type == 0 && position == 1) {
sp_name = "cc_right";
} else {
Toast.makeText(getContext(), "You can't change LABEL of this key", Toast.LENGTH_SHORT).show();
}
}
break;
}
pfKey4.setHint(sp.getString(sp_name, "not_found"));
}
public void已选中（AdapterView AdapterView、视图视图、内部位置、长id）{
type=spinner\u type.getSelectedItemPosition（）；
位置=微调器位置getSelectedItemPosition（）；
item=spinner.getSelectedItemPosition（）；
开关（adapterView.getId（））{
案例R.id.cck\U微调器类型：
开关（pos）{
案例0：
如果（位置==0&&item==0）{
sp_name=“cc_left”；
}else if（位置==0&&item==1）{
sp_name=“cc_left1”；
}else if（位置==0&&item==2）{
sp_name=“cc_left2”；
}else if（位置==0&&item==3）{
sp_name=“cc_left3”；
}else if（位置==0&&item==4）{
sp_name=“cc_left4”；
}else if（位置==0&&item==5）{
sp_name=“cc_left5”；
}else if（位置==0&&item==6）{
sp_name=“cc_left6”；
}else if（位置==1&&item==0）{
sp_name=“cc_right”；
}else if（位置==1&&item==1）{
sp_name=“cc_right1”；
}else if（位置==1&&item==2）{
sp_name=“cc_right2”；
}else if（位置==1&&item==3）{
sp_name=“cc_right3”；
}else if（位置==1&&item==4）{
sp_name=“cc_right4”；
}else if（位置==1&&item==5）{
sp_name=“cc_right5”；
}else if（位置==1&&item==6）{
sp_name=“cc_right6”；
}
打破
案例1：
如果（位置==0&&item==0）{
sp_name=“ccL_左”；
}else if（位置==0&&item==1）{
sp_name=“ccL_left1”；
}else if（位置==0&&item==2）{
sp_name=“ccL_left2”；
}else if（位置==0&&item==3）{
sp_name=“ccL_left3”；
}else if（位置==0&&item==4）{
sp_name=“ccL_left4”；
}else if（位置==0&&item==5）{
sp_name=“ccL_left5”；
}else if（位置==0&&item==6）{
sp_name=“ccL_left6”；
}else if（位置==1&&item==0）{
sp_name=“ccL_right”；
}else if（位置==1&&item==1）{
sp_name=“ccL_right1”；
}else if（位置==1&&item==2）{
sp_name=“ccL_right2”；
}else if（位置==1&&item==3）{
sp_name=“ccL_right3”；
}else if（位置==1&&item==4）{
sp_name=“ccL_right4”；
}else if（位置==1&&item==5）{
sp_name=“ccL_right5”；
}else if（位置==1&&item==6）{
sp_name=“ccL_right6”；
}
打破
}
打破
案例R.id.cck\U旋转器\U位置：
开关（pos）{
案例0：
if（type==0&&item==0）{
sp_name=“cc_left”；
}else if（type==0&&item==1）{
sp_name=“cc_left1”；
}else if（type==0&&item==2）{
sp_name=“cc_left2”；
}else if（type==0&&item==3）{
sp_name=“cc_left3”；
}else if（type==0&&item==4）{
sp_name=“cc_left4”；
}else if（type==0&&item==5）{
sp_name=“cc_left5”；
}else if（type==0&&item==6）{
sp_name=“cc_left6”；
}else if（type==1&&item==0）{
sp_name=“ccL_左”；
}else if（type==1&&item==1）{
sp_name=“ccL_left1”；
}else if（type==1&&item==2）{
sp_name=“ccL_left2”；
}else if（type==1&&item==3）{
sp_name=“ccL_left3”；
}else if（type==1&&item==4）{
sp_name=“ccL_left4”；
}else if（type==1&&item==5）{
sp_name=“ccL_left5”；
}else if（type==1&&item==6）{
sp_name=“ccL_left6”；
}
打破
案例1：
if（type==0&&item==0）{
sp_name=“cc_right”；
}else if（类型==
String sp_name="";
// type
if(type==0)
sp_name="cc_";
else
sp_name="ccL_";
//position
if(pos==0)
sp_name+="left";
else
sp_name+="right";
//item
if(item>0)
sp_name+=(item+"");
return sp_name;
return (type == 0 ? "cc_" : "ccL_") +
(pos == 0 ? "left" : "right") +
(item > 0 ? "" + item : "");