Java 如何使字符串生成器标签Id、名称、地址加粗
我正在显示数据库中的列表,我希望标签为粗体Java 如何使字符串生成器标签Id、名称、地址加粗,java,html,android-studio,stringbuilder,Java,Html,Android Studio,Stringbuilder,我正在显示数据库中的列表,我希望标签为粗体 Cursor cursor = GetAllData(); StringBuilder stringBuilder =new StringBuilder(); while(cursor.moveToNext()){ stringBuilder.append("Id :" + cursor.getString(0)+ " | " +"Name :"+ cursor
Cursor cursor = GetAllData();
StringBuilder stringBuilder =new StringBuilder();
while(cursor.moveToNext()){
stringBuilder.append("Id :" + cursor.getString(0)+ " | " +"Name :"+
cursor.getString(1)+" | "+"Address :" + cursor.getString(2)+" | "+"Phone :" +
cursor.getString(3)+"\n"+"--------------------------------------------------"+"\n");
}
textView.setText(stringBuilder);
也就是说,Id、姓名、地址必须加粗,添加的内容要加粗。您正在设置
文本视图。添加HTML粗体标记。而且,这是可怕的代码。您正在嵌套StringBuilder
(因为String
+String
使用另一个StringBuilder
)。另外,假设行分隔符是\n
,这是个坏主意。修复它应该足够简单。大概
Cursor cursor = GetAllData();
StringBuilder sb = new StringBuilder();
while (cursor.moveToNext()) {
sb.append("<b>Id</b> :").append(cursor.getString(0));
sb.append(" | <b>Name</b> :").append(cursor.getString(1));
sb.append(" | <b>Address</b> :").append(cursor.getString(2));
sb.append(" | Phone :").append(cursor.getString(3));
sb.append(System.lineSeparator());
sb.append("--------------------------------------------------");
sb.append(System.lineSeparator());
}
textView.setText(Html.fromHtml(sb));
Cursor Cursor=GetAllData();
StringBuilder sb=新的StringBuilder();
while(cursor.moveToNext()){
sb.append(“Id:”).append(cursor.getString(0));
sb.append(“| Name:”).append(cursor.getString(1));
sb.append(“| Address:”).append(cursor.getString(2));
sb.append(“| Phone:”).append(cursor.getString(3));
sb.append(System.lineSeparator());
某人加上(“-------------------------------------------------------------”;
sb.append(System.lineSeparator());
}
setText(Html.fromHtml(sb));
此外,他可能需要添加textView.setText(Html.fromHtml(sb));让它工作?@AliAli你说得对!我看不见森林。树太多了。