<script>
function isInt(txt){
try{
var i=parseInt(txt);
if((i<0)||(i>200)){
alert("是数字,但是过大或则过小!");
return false;
}
return true;
}catch(e){
alert("不是数字");
return false;
}
}
</script>
function isInt(txt){
try{
var i=parseInt(txt);
if((i<0)||(i>200)){
alert("是数字,但是过大或则过小!");
return false;
}
return true;
}catch(e){
alert("不是数字");
return false;
}
}
</script>
boolean bFlag = false;
try{
double myint =Double.parseDouble(tmp);
bFlag = true;
}catch(java.lang.NumberFormatException nfe){
return false;
}
return bFlag;
}
public boolean checkNum(String field) {
String valid = "0123456789";
String temp = "";
boolean have = true;
if (field == null || field.equals("") || field.equals("null")) {
have = false;
}else{
for (int i = 0; i < field.length(); i++) {
temp = "" + field.substring(i, i + 1);
if (valid.indexOf(temp) == -1) {
have = false;
}
}
}
return have;
}