在GORM中建立标准

if (params.filters) {
                def o = JSON.parse(params.filters);
                def groupOp = o.groupOp
                def fields = o.rules.field
                def values = o.rules.data
                def op = o.rules.op
                println fields
                println values

                if(groupOp == \"AND\") {
                    fields.eachWithIndex {a, i ->
                        println op[i]
                        if(op[i].equals( \"eq\")) {
                            and{    eq(fields[i], values[i])}
                        }
                        if(op[i].equals(\"ne\")) {
                            and{    ne(fields[i], values[i])}
                        }
                        if(op[i].equals(\"ge\")) {
                            def valu = Double.valueOf( values[i]);
                            and{    ge(fields[i], valu)}
                        }
                    }
                }
                if(groupOp == \"OR\") {
                    fields.eachWithIndex {a, i ->
                        println op[i]
                        if(op[i].equals( \"eq\")) {
                            println \'eq\';
                            or{ eq(fields[i], values[i])}
                        }
                        if(op[i].equals(\"ne\")) {
                            println \'ne\';
                            or{ ne(fields[i], values[i])}
                        }
                        if(op[i].equals(\"ge\")) {
                            def valu = Double.valueOf( values[i]);
                            or{ ge(fields[i], valu)}
                        }
                    }
                }
            }

params.filters

    {
   \"groupOp\":\"OR\",
   \"rules\":[
      {
         \"field\":\"foo1\",
         \"op\":\"le\",
         \"data\":\"9.5\"
      },
      {
         \"field\":\"foo2\",
         \"op\":\"eq\",
         \"data\":\"12345-123\"
      },
      {
         \"field\":\"foo3\",
         \"op\":\"cn\",
         \"data\":\"IDM\"
      }
   ]
}