Java 我的switch语句上的错误消息？
我是JAVA的新手，但是我在第29行的“department”行中收到了这个错误消息 无法打开EditText类型的值。仅允许使用可转换的int值或枚举常量Java 我的switch语句上的错误消息？,java,android,switch-statement,Java,Android,Switch Statement,我是JAVA的新手，但是我在第29行的“department”行中收到了这个错误消息 无法打开EditText类型的值。仅允许使用可转换的int值或枚举常量 我不知道如何解决这个问题。有人吗？部门不是int或enum值，因此无法打开它。您应该使用从编辑文本字段获取文本值，并将其转换为数值。正如错误所示，您不能将整个对象传递给switch语句并期望它工作。你需要的东西，在一天结束时将解析为一个整数值 您可以在EditText类中使用某种方法返回某个整数，然后，您可以执行类似于switch（depa
我不知道如何解决这个问题。有人吗？
部门编辑文本您可以在
EditTextswitch（department.getNumericalValue（））开关intenumint开关上使用它，则可以执行以下操作：
package walmart.namespace;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class WalmartActivity extends Activity {
/** Called when the activity is first created. */
EditText department;
EditText name;
Button search;
String display;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
department = (EditText) findViewById(getResources().getIdentifier(
"etNum", "id", getPackageName()));
name = (EditText) findViewById(getResources().getIdentifier("etName",
"id", getPackageName()));
search = (Button) findViewById(getResources().getIdentifier(
"btnSearch", "id", getPackageName()));
final String Display;
switch (department) {
case 1:
display = "food";
case 2:
display = "Health and Beauty Aids";
case 3:
display = "Stationary and Books";
case 4:
display = "Paper Goods";
case 5:
display = "Home Entertainment";
case 6:
display = "Cameras and Film";
case 7:
display = "Toys";
case 8:
display = "Pets and Pet Supplies";
case 9:
display = "Sporting Goods";
case 10:
display = "Automotive";
case 11:
display = "Hardware";
case 12:
display = "Paint and Accessories";
case 13:
display = "Household Chemicals";
case 14:
display = "Housewares";
case 15:
display = "Appliances";
case 16:
display = "Lawn and Garden";
case 17:
display = "Home Furnishings";
case 18:
display = "Seasonal";
case 19:
display = "Fabrics and Crafts";
case 20:
display = "Domestic Goods";
case 21:
display = "Curtains";
case 22:
display = "Bedding";
case 23:
display = "Mens";
case 24:
display = "Boys";
case 25:
display = "Shoes";
case 26:
display = "Infants and Toddlers";
case 27:
display = "Ladies Socks";
case 28:
display = "Nylon Hosiery";
case 29:
display = "Lingerie";
case 30:
display = "Foundations";
case 31:
display = "Handbags and Accessories";
case 32:
display = "Jewlery";
case 33:
display = "Girls";
case 34:
display = "Ladies";
case 36:
display = "Outerwear";
case 39:
display = "Food Services";
case 40:
display = "Pharmacy";
case 46:
display = "Cosmetics";
case 49:
display = "Optical";
case 56:
display = "Horticulture";
case 58:
display = "Income";
case 77:
display = "Large Appliances";
case 80:
display = "Service Deli";
case 81:
display = "Bread";
case 82:
display = "Impulse Buys";
case 83:
display = "Seafood";
case 84:
display = "Floral";
case 85:
display = "1 Hour Photo";
case 86:
display = "Fresh Flowers and Balloons";
case 87:
display = "Wireless";
case 89:
display = "Travel Center";
case 90:
display = "Dairy";
case 91:
display = "Frozen Foods";
case 92:
display = "Grocery";
case 93:
display = "Meats";
case 94:
display = "Produce";
case 95:
display = "DSD Grocery";
case 96:
display = "Liqour";
case 97:
display = "Processed Meats";
case 98:
display = "Bakery";
case 99:
display = "Store Use";
}
if (name.equals("Electronics")) {
display = "5";
} else if (name.equals("candy")) {
display = ("1");
} else if (name.equals("Tobacco")) {
display = ("1");
} else if (name.equals("Makeup")) {
display = ("2");
} else if (name.equals("Stationary")) {
display = ("3");
} else if (name.equals("Books")) {
display = ("3");
} else if (name.equals("Napkins")) {
display = ("4");
} else if (name.equals("Paper Plates")) {
display = ("4");
} else if (name.equals("Paper")) {
display = ("4");
} else if (name.equals("Video Games")) {
display = ("5");
} else if (name.equals("Movies")) {
display = ("5");
} else if (name.equals("Cameras")) {
display = ("6");
} else if (name.equals("Film")) {
display = ("6");
} else if (name.equals("Photo")) {
display = ("6");
} else if (name.equals("Toys")) {
display = ("7");
} else if (name.equals("Fishing Rods")) {
display = ("9");
} else if (name.equals("Sporting Equipment")) {
display = ("9");
} else if (name.equals("Sporting Goods")) {
display = ("9");
} else if (name.equals("Car Stereos")) {
display = ("10");
} else if (name.equals("Automotive")) {
display = ("10");
} else if (name.equals("Tools")) {
display = ("11");
} else if (name.equals("Heaters")) {
display = ("11");
} else if (name.equals("Fans")) {
display = ("11");
} else if (name.equals("Hardware")) {
display = ("11");
} else if (name.equals("Paint")) {
display = ("12");
} else if (name.equals("Bleach")) {
display = ("13");
} else if (name.equals("Ammonia")) {
display = ("13");
} else if (name.equals("Chemicals")) {
display = ("13");
} else if (name.equals("Towels")) {
display = ("14");
} else if (name.equals("Kitchen Accessories")) {
display = ("14");
} else if (name.equals("Towels")) {
display = ("14");
} else if (name.equals("Appliances")) {
display = ("15");
} else if (name.equals("Plants")) {
display = ("16");
} else if (name.equals("Grills")) {
display = ("16");
} else if (name.equals("Lawn & Garden")) {
display = ("16");
} else if (name.equals("Furniture")) {
display = ("17");
} else if (name.equals("Seasonal")) {
display = ("18");
} else if (name.equals("Fabrics and Crafts")) {
display = ("19");
} else if (name.equals("Domestics")) {
display = ("20");
} else if (name.equals("Curtains")) {
display = ("21");
} else if (name.equals("Bedding")) {
display = ("22");
} else if (name.equals("Mens")) {
display = ("23");
} else if (name.equals("Boys")) {
display = ("24");
} else if (name.equals("Shoes")) {
display = ("25");
} else if (name.equals("Infants")) {
display = ("26");
} else if (name.equals("Ladies Socks")) {
display = ("27");
} else if (name.equals("Pantyhose")) {
display = ("28");
} else if (name.equals("Lingerie")) {
display = ("29");
} else if (name.equals("Purses")) {
display = ("31");
} else if (name.equals("Handbags")) {
display = ("31");
} else if (name.equals("Jewelry")) {
display = ("32");
} else if (name.equals("Girls")) {
display = ("33");
} else if (name.equals("Maternity")) {
display = ("35");
} else if (name.equals("Outerwear")) {
display = ("36");
}
else if (name.equals("Pharmacy")) {
display = ("40");
} else if (name.equals("Cosmetics")) {
display = ("46");
} else if (name.equals("Optical")) {
display = ("49");
}
else if (name.equals("Large Appliances")) {
display = ("77");
} else if (name.equals("Deli")) {
display = ("80");
} else if (name.equals("Bread")) {
display = ("81");
} else if (name.equals("Seafood")) {
display = ("83");
} else if (name.equals("Floral")) {
display = ("84");
} else if (name.equals("One Hour Photo")) {
display = ("85");
} else if (name.equals("Fresh Flowers")) {
display = ("86");
} else if (name.equals("Cell Phones")) {
display = ("87");
} else if (name.equals("Travel Center")) {
display = ("89");
} else if (name.equals("Luggage")) {
display = ("89");
} else if (name.equals("Dairy")) {
display = ("90");
} else if (name.equals("Milk")) {
display = ("90");
} else if (name.equals("Frozen Foods")) {
display = ("91");
} else if (name.equals("Frozen")) {
display = ("91");
} else if (name.equals("Grocery")) {
display = ("92");
} else if (name.equals("Meats")) {
display = ("93");
} else if (name.equals("Produce")) {
display = ("94");
} else if (name.equals("Liquor")) {
display = ("96");
} else if (name.equals("Bakery")) {
display = ("98");
}
department.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
department.setText("");
}
});
name.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
name.setText("");
}
});
search.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
}
});
}
}
将department变量上的switch语句替换为上的switch语句
Integer.parseInt（department.getText（）.toString（））
从Java7开始，您可以切换字符串，但不能切换标准对象
但是，您使用的是android，因此仍然是Java6
由于必须使用6，因此需要将字符串转换为整数
switch(Integer.parseInt(department.getText().toString())) // Be careful! This could throw an exception if the text doesn't contain a valid integer
您应该阅读一些Java教程。在编写代码之前，先学习一些实际的Java。你会省去很多麻烦的。我相信你昨天也发了同样的问题！试着学点东西，自己找出错误！不要只希望别人用勺子喂你！我把它放到谷歌上，什么也没有得到。我自己会学到更多，但我有一个项目要在一周内完成，老师从来没有教过我们这种语言。它也应该被标记为家庭作业。这也是有意义的，以确保android:inputType=“number”
设置在EditText字段上，看你不能在android中使用Java 7功能谢谢Zapl，也许我不应该用整个7个has strings句子来引导，我确实说过Android使用6。我现在修改了“然而”以获得更多的强调。我认为海报混淆了7个和6个功能，这就是我提到itI的原因，我也在想&因此+1是你的答案
switch (Integer.parseInt(department.getText())){
case 1:
display = "food";
....