自动联想功能2

   //自动联想
     function getAutoThinkOpts(){
         var options={ 
             minChars: 1,    
             max: 10,     
             autoFill: false,  
             mustMatch: false,
             matchSubset: false,
             matchContains: true,
             scrollHeight: 220,
             width:200,
             matchCase:true,
             selectFirst: false,
             scroll:false,
             dataType: 'json',
             parse: parseFn,
             formatItem: function(row, i, total) {
                 return " "+row.PO_NO+" "; 
             },     
             formatMatch: function(row, i, total) {
                 return row.PO_NO;     
             },     
             formatResult: function(row) {
                 return row.PO_NO;     
             }     
         };
         return options;
    }