jsf - What does [] mean in #{msgs[...]} -


मुझे कुछ JSF पृष्ठ में मिला। 

  & lt; h: outputText styleClass = " परिणामस्वरूप "मान =" # {संदेश [[परिणाम '.concat (searchResults.paginator.pageItems.rowIndex + 1)]} "/>

मैं उलझन में हूँ और जब मैं गलती हुई तब मुझे [] वाले वाक्यविन्यास के बारे में वास्तव में कुछ भी नहीं मिला और फिर भी '' <

क्या कोई बहुत दयालु हो सकता है और मुझे समझाए कि यहां क्या होता है? 

  []

ऑपरेटर

के लिए एक शॉर्टकट है > 
  java.util.Map # get (ऑब्जेक्ट की)

और, आपके मामले में, key एक स्ट्रिंग < / कोड> से बाहर बने 'परिणाम' और searchResults.paginator.pageItems.rowIndex + 1 ।

अंतर्राष्ट्रीयकरण (i18n) बंडलों के लिए, [] ऑपरेटर का उपयोग अक्सर उपयुक्त बंडल फ़ाइलों में निर्दिष्ट कुंजी के लिए अनुवाद प्राप्त करने के लिए किया जाता है।


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