Asp.Mvc中的text实现 辅助用户输入 灰色字体
在开发Web应用程序中经常需要用户在文本框输入信息,为了提高程序人性化设置以及用户体验效果常常需要在文本框中显示灰色字体辅助用户输入
如:aaarticlea/png;base64,iVBORw0KGgoAAAANSUhEUgAAAbMAAACyCAIAAABHpLbBAAAgAElEQVR4nO2d2XMbx4H/5z/ZEvVgpaQqv2Qf9nEtRVv7sLH8EDkP60oiR7E2Fdv6xaGVVFK2ZCvWkTjURR2meYA4SIoXeODgKVIkiJOkKN6XSIn3ARDgKQJ06fcwmEZPz4EBSIKC9f3Ut2hw0NPdc33YPQPI3A1T2w1T282i9ptFbbeKHbeK228Vt9956LhT1vGg0ptj9vxTZ7+aUzU6Gwpt/aAUjuPsTa3MQntT66GMw+TX4z87mVdoUqlEttqegVHy66GMw3wr5MVukldoOv6zk6GtH3oGRpmGkquHzqW/X/3wd+foJaTPx3928tLfr8q+tR8hu/3D351juqQS5tjtMtfuFvKZD2zMBzbIr+prTcwFr31ffstgNdjcRrvHYPMYbG46eqtbb3XprS691VlocRbWdpQ1eN859cE7pz4oa/TpLU691WmwuvjVTXUeU52XT1F9LGQhHaOdj4cP3bTeSuIq5GPRGGdy0cksdBVaXMK2u/VWtz62WzwGodtChM2R21J2w0Wbv/t4ZGOw050kJaWd9PEpqk8+pnofc0wNigc0lkKri6PM2H672HGruP12Sfudhx3Z5R3fVXpzqjxf36/IKWud8W8GN3eUwnFcrs7IcRzHcYcyDgc3d8ivHMd9ePbcoYzD5Ncn/SMfnj334dlzx0+c5JdcunwluLljb2zl3+XrzNUZj584SZqwN7byNQc3dw5lHLY3tvKvSSUcx5GFfJeklZMO0PU/6R+h+083qiXHT5zkm6BD95DpvLQ8XfjDs+dIP3N1RlLg0uUrZGfyHSa7mtkPdP/5kqTmD8+eU99e+jCRyuldx/fzUMZhstahjMN8tSqZ969du6NjshBYV19rIbiZX978zYOHeovLZPcYbW6jzW2wkrgMVpfB4ixr9JU1+soavaUN3tIGz3/94jf/9YvflDV4yxq9ZY2+8iZfRXOnye422d1Fdk9RnaeozhsvHpOdjjvatE1oVIje4pSNyGK1e59YW7HORDsZi90t3go+XlOdt6gu+rOIMaOdj3StaESCsylHSxkqsp00xT9MohTXeYvrvUXkz574XXq7jORcslEnEn9ArS69JRrWjDejY8aO7PKOHLP3QaXzL/8yltR3q5/E9IV0KOMwf0nTOuAvXXKp89c/f5nxF6q9sZUxI12eX4UIhaiE1yt9AfOrEyHSq/MvLl2+wr9mzEjqYQyrFOILupNBOacznadVzhjn0uUrZI+R3cJvL1kuu6s/PHuO3rekLbKxUjPS2863cvzESbow38qT/hGmS3TTdP1x5BhYv3on/1p2wbXsgqt38ufjaZFPRYPnbzd0hbUdxIyUHPmz2VnW6Pu3Y//x1k//862f/ue/v/PuL37zyS9+88m/v/Muv+Tfjv2HYEZPkV2LFsm1JJaC3LUkXEXyfpQx5t5q0eIkWjSItahoN7EW2U1OVI4ak5QZE9IiY8Ziak4g68c4crRKzHirqP1mcfvtEsed0o675c4cs/d+ueP/XcltfTK5srmjEo7jbI2t/OszZ89dvHxlZXPH1th6KOMwKcObjpQ5c/ac7Ft8uvtHOI5jmujuH+FfH8o4zDdHLyT18GKSdvKMMBzj3yXF+LZIPdLOqOfM2XP0ZsrWwNTP7x8SsjnkBbMneQ3J7ka+AONZsm/pCsk+l91eZoeTY3dRGKsS+BVtja28ozXupVn/+je3cq/ezrt6O++bW7mz/nUtaz1+MvbZ1QcFVW30ZS8xY+dP3zn13+//9r/f/+2pX/3h15/89def/PXUr/7AL/npO6cqmruYAWPxHsrRmpgcd6VIi9KA0UU5kY+SGdX+NghaVDNjknKU9aM9+pPVYmJm9BXX+YgZi+t9xfVeOknIkT+sMTPeKGq7VdR+SzDjvQpXTqXnlqn5z/8o9I0srmzsqITjOFtDK/86erlu7NgaWg9lHCZljp84mVtgJGXOnD0n+xafi5ev0AVyC4zHT5wkvx7KOMw3x3Fcd98IUw9TmO8Jx3F8E+Rd8qK7b4SuR9qZuKFX59ui32X6EzUjVYBsDnnB7MlDGYdJl5jdyBdg9gPpCb3/yT6X3V5+oXRd5kAwu5SuXyWzS2t/v5HDZHZpLe6KT8bm//KPvAcPG43UrJaRY1ljZ7NnsMk90OQeaHL3/+/v//y/v/9zk3ug2TPQ7Bl85B2MmrGOMiN95cT3o+y15BKPHDVMq3c/xWbql5tKq2kxerNVixzlhZgiMyY2WvQV86mXRkaOpjqZabVRbuTI3TC1ZRnbbprab5gEMz6MmvE7s+daruUfuVWjM8GVjYhKOI6zNbTwr8+c/eji5SsrGxFbQwvHcaSMYIRoGfIWX6y7b4S84CvkX/A5lJFB6qd/PXP2o+MnTtL1rGxE+Is8t8DAL794+UpugYEUO37iJP+aLKRMES3Ar0s6fPHyFb4k3cSZsx/x5XMLDIcyMkjfyOYrdZ7eD0yBi5evkKroXh3KyCCbQ7pHt0U2iq+Er40uyRfm+6y0vYcyMkjHjp84yfeE32TSf9IKv5DUqZ7L/3rAZ86/OudfJb/GXXF8NvjP3PJvC6oMNhd179wj9xDGVWhxljX63vv1p+/9+tPypk6D1WmwuYx2/vELmV5Rt+cbfEUNKjfvvaZ60aOJ2P17u4e5eZ/go5ikn8YIq5NnL9SDF5GG6jzGuqgH4z51UXoUY9zLRzEaUkcevyT74KWBTmfsNf1Apk7tgYyeOqZclpEyY3H7nWLH7YeOu2XO+5XuHLP7i1slupr2+eBWYCOiEo7jrA0t/Gv+cuVfH8rI4DjuzNmPAhuR7wsM/HSsq2+Ev6LIBI1f19rQwr/7fYHhnRMnSeXWhpZDGRl0c4cyMkhz71C37br6RviFXX0jZCHpoTDT/IivnLTCFybrvnPi5PcFBv4FvyEXL1/hS/I95IvR00zSMaYq2c6TamU3R7pb+AJ8l+juye5qjuP4JXxPSBOktxcvX1HaXnqn8Y7mC5ADR+9M/pjyr5nNkaazb/Tyt/dm/av8r7P+1cvf3uvsG1VfK7ARWQpt66pbL942Flo6ouexTfKQmpJjeVPnqV99cupXn1Q0d1Ja9BTVUVpskESjHCXXksxz6sT8mKgilc0oHaMl68SDMWOd2IxxJNgp/zpmw04hceVI/tR51M3ouF3cfueh426560GlJ6fSdf6b7x91jWu/6ab93hx9n5EJc5+O3E1LxxxU56Oz4IPefJLgltqvKmnxDn32zX1dTbvKXSFyz7G8qfPk+2dPvn+2oqnTaHPxs0v2wUu9cuSfS9C3Gj3GmJFFD2F2/TC6Q0OYabUrNqGWPJhWeDatKRqenLg1PneWxqCybpwJtY8KvYQc2aj7iiV/4SQTai91QD2yD9ZiZswqartZ5LhT7Mgudd6vcH9X6b5hbL7wT13f80BgPbK3OfPbj8789iPZt6LjMuHXrt4RjuO6ekf2vA8pyAF2PjrkPOg9sPsMPV/+8z9y7xY36K0u/nI1xO4zsqlo6mr2DjZ7hyqbu9lnDsIFw9yNUhub0NeScA+O7kN0Lm9x6elhYLIPnXXxIjZjdNjIP5iO6UYyeKRlZxIvFD30oKJyf9Ag/DQIr/cg0S55yed1TCIJ+or4mbV0oWTGLXe3UXyghRX5A0q2kZxU5JhGzXijqD2rqO1WsSO7pONeuet+pedBpevLO2XZxoaZlZf+9cjehjfjnleL/PgyF9y6Y6j96m5RYY3TQCvJEvvoGZlN6+mPsFAfVTGJxx0magCiaWpJPo1so+fRMRvKu6ymQzYFu4iupkNXI1jS4iyMbr5bb3WL7jCw8YhfiyL1neiWRcwXexWP3uox0KE9K8yvBVH6NEY4mjK6JE4k82gTuTEiOqDu2F+4Whd3w9iWZWq7UdR+s7j9TklHdqnzQaUnp8p7t8zx+y+zvQNTB35tIG943H2T//e3rLzKxwar22Dz6K1uvcVN360jdiCOEKZm9DAk8TD3woQLOPrURbiEKBU6C2qcuxEfn/xqKvJlhFEk2QPizdccqQo9BpvHYPXIfzPEIsoeulLkR2qfm+xek92nGGVL0qNO8btkXMweUHJMdbUuXa2Lu2Fqv1nUfqPEcbvEcbfUeb/cnVPt+87s+SK75K6pbmbl5fJ6BEEOMPMrW9mmmkt3jLpap9hNkkuUP9eFr5rFHnTWCz/paBqMiJ5FGGxeg82jt3r0VndhtAPRC4kyI514EpQNpUU6RIuCGckDGeJEj8Hm0UuUp7e5yUK9zaMXvxCXFN6S+cKcsMOtwk+5wWByETrgNUSd6DMqi08t9T5TfSf1WKazqL5T9qAb7T7hmMa2VzijXLpaF3er2HG7pONOqTO7zHm/wpVj9uZWd17Lt3186f7A5NKBXxUIsrweGZyc+/Sr7G8LqgstLr3S111FT2mFcV+9V/1Bp1iXXjbsg1pBNLwprK5Ci0tHzaYL+GgfHirGIURixtqOaHOiL1DTn+BxG+ziL5hTYX6lF4reEu1bl97qKoxuciy7nVNL7WwX/qpFn1Mr60+kwtih1PQ1auHL1PQnDcgmR4eNFhd3p8x5r9x1r9LzwOzJqfJ9X+X9Vlf/u7/eeuQd9K9HltcQ5ODjX4+0uPvO/vmf/yqozq920JdlIflJRkbRj61QHwSp90r0F7tCFD+zQjnRQH28Q2/z8FrUCVoUhOjUoDzZQaIjfihL8n4sqHXqLE5d7HM8MsqjU2iL7SV9PMEpfQJJR/0stLhio8gEQ/89iykyupPJyNFrrPMZyShP8tooP2ZkdSmZK4gPa7R18Z86i4u7b/bmmL05Ve7vzO4Hlc5L2RV//Oa71q7hALSIvE4JrEce+wbOf3334m3T9xUt+dUOnSU6kKEuLeGi4q+cep8xdkl0UhEt4YuxqWPi5Ss32L36mBzdOotbZ3EVWFwFta4Cokg6Neyv+fLR4lBnvqg2/hoWdGMTWYaKoMV4iZaUWExHx+LWyZjOU2iVtqsxXr3Nq7eT3esz2H1GO9ntncY64TDVCamPxiT8lElDp0n4VKPk3djxjTZqEx9Tq1tncXH3Kpy3i1qu5Vu/uPkw8x+F94zW8Rl/YGNnaS2CIK9VAhs7Y9PLt/RVn13N+SJLfz3XfKeoLqe8Nb/aUVDrpO5SeY0yN55iEYYYneIo3r2KXqViM+qtHnLrTRg8RlMgipwrNYeoU7Scbyj2wW9hFCarHvHjFNmhYqHk3VgscqGcGL1XqKQ8uRikif5J88USGxIKB6i+kz1k9cLP+k7pUVYKOdZG4W5j9PZxdF95+G3kzl/N/9tN03flTc3ewefzwdWXP/g3dpbXEeR1jH9jZ/XlD5OzK02u3vtF9r/8U/fJ1/f5fMrnMsmD8yR/p14r5NM4uf/p5fufCm198vW9j7+icukunz/sPhez1XKJT7Twx5fufvzVXVFPvrr3yVf3Pvk6FubdxHNXyL2PL7FtRZuLtng/0XxKRzhqTOIeONFR1hLR4aaPqeiwcqsvd0JbO8HNncDGztJ6ZHENQV73LK1HAhs7wc2d0NbO6tbORviHrfAPq1s7CLJX4RZXIwiCIAgdbmE1giAIgtDhFlbDCIIgCB1uPhSOm9mVl6OzK76hqY6eZy1dI02egSbPwKPO4Y6eZ76hqdHpwOzKSy31IAiCpEXimHHKv9U1PNPkGfANvhibCcwGNheCL/1rYf9aeCH4cjawOT674ht80eQZ6ByenvJvHfj2IAiC7D6K9xnnQ+Ge8bmWzuGhqeXltUhgY0cly+uRkZlAS+dIz/jcfCh84PcIEARBdhNuLhSWZnx+1dX//MnozEJoW/u/ibIQevlkdMbV/3x8flW2WgRBkLQINxcMM5lYWGvxDQ+/8C+Gtv1rkYSyGNoemQo0e4eqmjtrWrsRBEHSMdxsMExnbG617cn42GxwN19xnZhf9fQ+C62u7wAAQBrCzYUiJC+Wt1z9L4anArv/FtfIdKB3dGo7HHkFAADphmjM2D021zU8s1ff/+8annk2s3DQGwgAAAnDzQTDfMbmVzt6JyYX17U8uPH0jvn6x9XLTC6uewcmV9c3D3obAQAgMbjZYISPb2i279ni0tpO3DxyPsk1VX1vrHJ0DqqX7Hu2ODQxp9T25uZmf39/c3NzTU1NTU1Nc3Nzf3//5iZMCgA4YLiZYGQmGHm+/LK5c3Q2uL24tqOeZteT/IeWourmouqmvOIa9cIzK9stXaPhyI604enp6dra2o6Ojq6uroGBga6urvHx8aqqqpqamqmpqdTvCAAAIETNODi14h2cjqvFR84nBQ8tJZaWcnt7ce0j99PRuKt4B6fn/atMq1NTUzabbXFxcW1trbu7u6amprq62uFwVFZW1tTUmM1mBTmaP+Devta3223uu/Y294F57+oDCTBQkXUxr+WgewFAHLjplfD0Stg9MNXzbEH9vmFTR3fBQ0tJbUu5vb2k9pG7d0zLHcme8YX+ZzN0kxsbG1VVVX6/f2dnJxKJrK6utrW1lQvYbLaenh6z2byxsSHpbVqYsSXvYoysigGZNwQ1DFRksYvoctFlVCmZWolsWvLkl+8bAxVZF/Py8uS6FGclmBG87nBTgfBUINz25NnIdHA+FFFKY0d0tFhR5yiztXn6xlUK0xmZDrr7Jugme3p6Hj16FA6Hw+Gw3+8vLy8vFfP06dPy8vKenh5Jb18zM8qvLjGU0tKWPLJkoCIr+vZARVZUHC15F2UcIjWLUHOqzSi0l1gzMCNIC6JjxkedoxMLa0rjvmbnE12ptdTSWlnfYW5wVtjbTeaG/OKaHENljqEix1Dxnb6ipKZJdt2JhbW27jG6SavV2tnZOTU11dPTU1VVVSKhrq5uYmLCarVKepu2ZhyoyFIfVMkVUKhIQYypNiNpDmYEP0K4qZXw1Eq43j00s7I9vxqRxtE9XFBqKbU9rmxwmhtd5kZXZYOzrK79obX1oaWFT3FtS/7DWtnVZ1a2G71DdJPFxcUWi8VsNhfJUV1dPT4+vry8XFxcLOktraK+a29zArzn2MXRpeYPmAWMGc3CGpTlYutQS0UV0c2/fa0vNuijZ9PUrDmroiJPdi7M05In8YWcGKXLYiuqm5GektOT+bwWob95LbFCsYrkJ/x0u7FmxPVR5Zn7AYo3E1rySNMDFVlyQ2YAUgP3IrD9IrBd5xqcDryU/Wb1484BU3WjucFZ1eRSirnRaaisk119OvCywcOa0UhRUlJiNBrNZnNVVZXRaOzr61tfX5+bmysqKpL0lpix79rbYkfGFtOafPXqlfkD4XfRysSMRH3mDzhqKamE/CIzQKQWUWYkxJa15InvGkrn1TIu0jIlp+Unur8pNo6oTdHMXSQl2kqk48ROdON0u2IzyjRJ3xaghCdbt1CZzF8KAFII99y//dy/3egdGZkNkU99i7Ky3djRU25vr2p0VzW5q5rc5kZXeZ2j1NZWan3Mp8TSaq5zyK4+Mhtq7Rqlm6yurtbr9Xq9vr29vbe3d2Jiwm63u1yusrIyvV4/ODg4PT3d3d1dXV0t6a2gopjbRMvZxVHYYaTCbFr4hVEgKc0PGWWaVUb+FiDjN/n7iTIKlU5ERUuUtcmuKHuHkF6d6recaKWjUXrMyC4W94terFg3O0AFINVwLwLhF4Hw4ycTfZN+8qlvScJNrt6Kho7qR96aR77KRnfPyAxTZi4kv27fpN/VN0k36fP5dDpdQ0NDIBAIBoPBYHB2draurk6n0+l0Or1ez7/2er2S3iZsxr5rb5NBIXk3STPGKqSGmdrMKL6LyDhIWQIKTlF4f3/MqDD1l+1XomaUvfUKM4LXgagZnf1Trv6pmZWIUmaDkWZ3X2WDs6bFZ25ym6qbfP2TKuVJXP1TvWPTdJPr6+t6vT4/P//p06cBge7u7pKSkvz8fIPB8PDhQ71ev76+Lumtltm0sLjv2jUzPTE2f6BxzKg0m75GKpZZnZ6A0jNHyfyUmczKzMBlVn/1SuEWIzP2VJpqq8ymVc3ITITzyOyYbiieGUV3DKn7CrJ1R9fCcxpwwHCT/u1J/3bPxHK9e4h/Tq2c7UZXb0WDs+qRt9Tenl9mc/U+i7dKuN49NLsUZFodHx/Pzc0tLi5eXl72+/1+v39xcdFoNFqtVrvdrtPpxsfH5XpLm0z2IQm1mLrzyE+kr2kcM75SeLpDVWUWNyZ+AhObJ4pEJfk0IzudpB89SB55yFiUNaH6ExiqNdm7hfJmpLtDbZ5Y2ORdhUm2aNsrmDuUdN20Q6mHMQCkHm5yeXtyeXt0bqOqtefZ4uZ0IKySKf92k6uvstFV3eIrtbfnlVjUyz9b3Kx53CP7b5GNjY3l5+dXVla6XC6Hw1FeXl5ZWWk2m/Pz88fGxqTlgZiDGlVhNAfeCLjn/jAfZ/90s290OhCJk5Vwk7u/stFdXu9s9Q6qF272jfaPzyq1vba25na7S0tLc3Nzc3NzS0tL3W732tpaKrc/XYEYAdhPuEl/mM/A9Gpte+/TCf/0SkQ9UythR894x9Nx9WJPJ/z1zr7gGv7tHABAmhEz46Q/7Oibsnb0T61E4icQmQrEKWPt6B+cmInfBQAAeM3gni1vkwzPbVhdg02+0eeB8C7T5Btt6x7B/+0AAJCOcBPLYToDU6uVj544+6f5T/MkF/fgrK396drG1kFvHQAAJAP3bDnMZGBmrbje2+gdfbb0MtGh4vjSdqNvrLjOU1DdXljrRBAESceIZtMkvc8DVY+fVrb0DE6H6BuR6hmaWats6TG39jydDOx+Po4gCHJQ4caXXspmbHGr0Tuqq263dgwMza7yHwhXyvDcmt01WFDd3ugdHVvcUqoTQRAkLcKNL22rZHBu3eIYyKt8XFTnrfOM+EYWnk6ujC1sjS1sPZ1c8Y0sNPpGi+q8eebHNe19g3Pr6rUhCIKkReKYkc/owpZzcLaq9anR7imocXxf2fp9ZWtBjcNo95gfP+3onxld2DrwLUEQBNmrcGNL2wiCIAgdmBFBEIQNN7a4jSAIgtDhRhe3EQRBEDrcw8ZuBEEQhA530F/CAQCA1w5tZuQ4BNmzAPDao9mMAOwJOJdAOgAzgtSCcwmkAzAjSC04l0A6ADOC1IJzCaQDMCNILTiXQDoAM4LUgnMJpAMwI0gtOJdAOgAzgtSCcwmkAzAjSC04l0A6ADOC1IJzCaQDMCNILeJz6fbt2xcuXDgP9ocLFy7cvn37oA51WqOmvInJFw1Nj0vLa15xXGl5DYIkmoamxxOTL8RnXOyUu3b9+s2bN+fn53fA/jA/P3/z5s1r16/vkz5+xKiZ8cXU4sJy8NUrjBlBkiwsB0cnZkWLqHMpMzNzcXExHA6vgv0hHA4vLi5mZmam+sCnP3HMKJSCGUGSqJjx/PnzOzs7B22PHzk7Ozvnz59P9VFPf2BGsL+omzESiYTAfhKJRGDGJIAZwf4CMx4sMGNy7MqMoclen294Lolm54aTXDEt+HFvXYLENWMwjXBdOsZxvzQlt+KxS66971FcYMbk2J0Z54Z7fUlJYL/dEZrs9fl6J0OSRtll4nXE784NJ7dxockk98qPkj01o+mXnJJgTL/kOO3Wcl06pliT2mqmXx5LoBVxe9qak93EXYgVZkyOXc+mk9NHHDPODfuSgFQo60UZM4oX8J6nCiRrRsUOvJHENeOKdpwXj3HHLjrl3+CRe9v4Psdx7xslKzBlje/Lrx6/tl30XK52aUHNq0uBGZNDqxmTMZWKGpIeM/LjMVXp0FoSjQNjIoyat3cy9CoUCrHrCj3TYMbEFf7GDSXVzRgOh/3aMZzmuNMGyWLHl8c47tiXDr7AsS8dMqsx68VWEReLLnJ8KZg2IaRN0+0pvyvpg+G0luZkdoWUcDgMMyZBomNG1RmpRCW8aPZOqHwLql4U90Fqurh6mhvuHZ4LyW6OfGvaXfdG3n/cGzPKqIKWWEw6cm5M3IxxlyrVrE1pioZTUL9mscoAMyZHwrNplatb6wMZ4stE55vxvMirjykQ85uM1UOTvYo91jIlZvdGaLKX+pWtHWZ8JWPGZa20f3mUO/plO71If5rj2GXtXx5llulPcxx3Wq9eiC/GLBIWi1cW16LwnqSbnKQTsuWEInp1x2polQdmTI7E7zMqXt4ab66FJnt9w8PDPt/w8HBCnog/XpSd3A7PCUqUMWN0YxIf28r0Q6iEGbAm8RfgR8WemZEVY/uXRzmOO3r0qMQaR0+fPkrLY3dmVFajXCUy6E/zPTp6+vRRtdLi6pR6o9YhOWDG5EjiCYyCGrWNGEOTvYKkhufURmws2qbCyq32ToakPYz2RrmrigaUGXsqKFDo+Bs3WIwS14xL2mj74ih39Iu2wtMcd7pwqe2Loxx39Is29fLc6cKlpaWlwtOc8FL0LrN+4WmFKqNtqrSgAr9yrPeKnS48zXFUBxR7o9gfeWDG5Ejm2bTsvUZND3LJmoJdNbpRuF0oNKJsNPlHIkJZmXcVW1ccArNvaFCfUORNHDzukRmjaqGtUCieb4pcIZJHofabf/IukrWUjG9le82dLox1f0nJjW1fHBV3IE6nYcZ9JqlP7cgPvuIpji4TG3dquPcWm0YTM4ZCCnNrqbVVx4XxWpXrWWw7Epouv6l2VDfj5ubmuBbsF37Cce89GB9/8B7/3/Hx8QfvcT+5YCdvv/cg9l+6mHJ9wtpRHrwnWSRpXmWJFKpC+4WfRF/GXjG1/eTCA/otld7E2zgRm5ubMGMSJPl5RpknwOp6Yz79TPtQXV2iERpjKxk7qpkxzie9FbZwjr0bGutEaG5Y++2A6Kpv3KQ6rhlHtXDvFDtoOnXv3inuyOfW0dHR0VHr50e4U/di/x29d4rjXyhg/fwIR9bW3AFSo/XzI+r1R1cgLVg/PxL7Rdq5e6eOfG6VFlLoYLyNEwEzJkfSn/QWP/JVv+ClXwphRopKzmJXlGmKsaPabDqB8WTMx6HQ5LBPvRhUdPkAAAUiSURBVBMan9+8aYPFKHtjRjkrMLZUMqOsBLUvFLUcq1xdTWItjjJmVDKrxIwqwIz7zC6+AxMTggYtyj8TZkrJfDlPy/f16Ba0jxnnosITf9Rbvh3JxyLVLYevwFDENeNIQtw9xXGn7govj2RaRkZGRkYsmUe4U3dj/6WLWTKPcKSggPaF7Pu8l+7G6SJbxJJ5hKn57in1QndPKfaF2rj4wIzJsatvB5IBmvpnvxVuB7KGowWn8FUX5eGpoCtNZozz+R9ZsZFnRRq0BzNS/IjMKEiPUy4VlafEW1IzjkgVCjO+RiRrRkpdks/xxaAEGOd7dKIv5A0rjcriT9zjzaY1jnHV/+EJTTdVYUYedTNubGwMJUT2u4Kb/vSnd+npJfdu9tBQ7Z+OcO9mR4u9mz00NMQv4478qVZUjfaFojf5d/mXpAGmULQCoZACdCmhSWptakPlkbatwMbGBsyYBImbUf6jewl+ai/Jb4NoM2MCT2AkNxoT/fqhLDAjxZ6YUayZqBWy3xU5Zd/MGG2ceUMwlzZFiaSnqVD2u4qWpjYuPjBjciRgRpWxoYC2Udmr18eMon5o+NcqyN1J1W7CjBRxzTiQEHd+znE/vyO8fOuz6oGBgYGB6s/eEpZKilV/9hZHCgpoWlj92Vscx3HimqXdiVdGqIptTr3QnZ9LO0g1Gqe9GDBjciTyb+1oVhn1T9molEiRGWNLpE+iqSWKypPMzyVPZhLijROmuhnX19f7EuLW/3Dc/9wSXr71RzO7VFLM/Me3VOelDG/90UzWEVUZr1fCurKY//iWyrviQto7HLfGvr6+9fV1mDEJDuj/dpACM1LWEn2MUs5zGr6SDZJkn814S9AIvzCqKI3WkDFTMutprFqrGfe2ZZgxOfD/gQH7S1wzPgX7CcyYHDAj2F9gxoMFZkwOmBHsL+pmXFtb6wH7ydraGsyYBHHMuLAcfPUKZgRJsrAcVDFjZmbmixcvlpeXu8H+sLy8/OLFi8zMzFQf+PRHTXnr61tTCytTCyuvOI5/gSCJZn19S3zGxU6569evZ2VlTU9Pr4H9YXp6Oisr6/r16/ukjx8x2gaDGDOCvUJ8Ll29ejUzM/M82B8yMzOvXr16UIc6rYEZQWrBuQTSAZgRpBacSyAdgBlBasG5BNIBmBGkFpxLIB2AGUFqwbkE0gGYEaQWnEsgHYAZQWrBuQTSAZgRpBacSyAdgBlBasG5BNIBmBGkFpxLIB2AGUFqwbkE0gGYEaQWnEsgHYAZQWrBuQTSAZgRpBacSyAdgBlBasG5BNIBmBGkFpxLIB2AGUFqwbkE0gGYEaQWnEsgHYAZQWrBuQTSAc1mRJC9CgCvPThNAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCABWYEAAAWmBEAAFhgRgAAYIEZAQCA5f8D88jhiQiKxeEAAAAASUVORK5CYII=" alt="" />
"文本不能为空"是这样实现的,博主进行了适当的封装,建立简单MVC.NET应用程序的Demo引用Jquery的包,html代码
@{
ViewBag.Title = "Index";
}
<script src="~/Scripts/jquery-2.1.4.min.js"></script>
<script src="~/Scripts/jquery-textboxhelper.js"></script>
<script>
$(function () {
$('#button').click(function () {
var getTextValue = $('#text').val();
if (getTextValue == '')
{
alert("文本为空!");
return;
}
alert(getTextValue);
}) $("#text").TextTip("文本不能为空"); })
</script> <input id="text" type="text" />
<input id="button" type="button" value="输出文本值"/>
关键在于自定义js文件jquery-textboxhelper.js
(function ($) {
var defaults = {
fontColor: '#ccc',
tipContent: '请输入内容',
focusColor: 'black'
}; $.fn.TextTip = function (tipContent, fontColor) {
var options = {};
$.extend(options, defaults) if (typeof tipContent == 'string') {
options.tipContent = tipContent
} if (typeof fontColor == 'string') {
options.fontColor = fontColor
} this.each(function () {
$(this).bind({
focus: function () {
if (this.value == options.tipContent) {
this.value = "";
this.style.color = options.focusColor
} }, blur: function () {
if (this.value == "") {
this.value = options.tipContent;
this.style.color = options.fontColor
}
}
}) $(this).val(options.tipContent).css('color', options.fontColor);
$(this).blur();
})
}
})(jQuery);
演示:
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