check resource exists when bind classpath

config/i18n.go

@@ -59,6 +59,7 @@ var (
 		"Regexp %s matched, but cannot get substring()":              "主正则 %s 匹配成功，但无法匹配到子串",
 		"TagKey or TagValue contains illegal characters[:,/=\r\n\t]": "标签KEY或者标签值包含非法字符串[:,/=\r\n\t]",
 		"Resource cannot delete in preset classpath":                 "预置分组不能删除资源",
+		"No such resource %s":                                        "不存在该资源(%s)",
 	}
 	langDict = map[string]map[string]string{
 		"zh": dict,

models/classpath_resource.go

@@ -56,6 +56,15 @@ func ClasspathResourceAdd(classpathId int64, resIdent string) error {
 		return nil
 	}
 
+	res, err := ResourceGet("ident=?", resIdent)
+	if err != nil {
+		return err
+	}
+
+	if res == nil {
+		return _e("No such resource %s", resIdent)
+	}
+
 	obj := ClasspathResource{
 		ClasspathId: classpathId,
 		ResIdent:    resIdent,